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Physics 211
Final Exam Review Questions
A child slides down a playground slide
at constant speed. The energy
transformation is
A.
B.
C.
D.
E. There is no transformation because energy
is conserved.
A child slides down a playground slide
at constant speed. The energy
transformation is
A.
B.
C.
D.
E. There is no transformation because energy
is conserved.
A particle moving along the x-axis experiences the
force shown in the graph. If the particle has 2.0 J
of kinetic energy as it passes x = 0 m, what is its
kinetic energy when it reaches x = 4 m?
A. 0.0 J
B. 2.0 J
C. 6.0 J
D. 4.0 J
E. −2.0 J
A particle moving along the x-axis experiences the
force shown in the graph. If the particle has 2.0 J
of kinetic energy as it passes x = 0 m, what is its
kinetic energy when it reaches x = 4 m?
A. 0.0 J
B. 2.0 J
C. 6.0 J
D. 4.0 J
E. −2.0 J
A crane lowers a steel girder into place at a
construction site. The girder moves with
constant speed. Consider the work Wg done
by gravity and the work WT done by the
tension in the cable. Which of the following is
correct?
A.
B.
C.
D.
E.
Wg and WT are both zero.
Wg is negative and WT is negative.
Wg is negative and WT is positive.
Wg is positive and WT is positive.
Wg is positive and WT is negative.
A crane lowers a steel girder into place at a
construction site. The girder moves with
constant speed. Consider the work Wg done
by gravity and the work WT done by the
tension in the cable. Which of the following is
correct?
A.
B.
C.
D.
E.
Wg and WT are both zero.
Wg is negative and WT is negative.
Wg is negative and WT is positive.
Wg is positive and WT is positive.
Wg is positive and WT is negative.
Which force does the most work?
A. the 10 N force
B. the 8 N force
C. the 6 N force
D. They all do the
same amount of work.
Which force does the most work?
A. the 10 N force
B. the 8 N force
C. the 6 N force
D. They all do the
same amount of work.
A particle moves along the x-axis with
the potential energy shown. The force on
the particle when it is at x = 4 m is
A. –1 N.
B. –2 N.
C. 1 N.
D. 2 N.
E. 4 N.
A particle moves along the x-axis with
the potential energy shown. The force on
the particle when it is at x = 4 m is
A. –1 N.
B. –2 N.
C. 1 N.
D. 2 N.
E. 4 N.
A child at the playground slides down a
pole at constant speed. This is a situation
in which
A. U  Eth. Emech is conserved.
B. U  Eth. Emech is not conserved but Esys is.
C. U  Wext. Neither Emech nor Esys is conserved.
D. U  K. Emech is not conserved but Esys is.
E. K  Eth. Emech is not conserved but Esys is.
A child at the playground slides down a
pole at constant speed. This is a situation
in which
A. U  Eth. Emech is conserved.
B. U  Eth. Emech is not conserved but Esys is.
C. U  Wext. Neither Emech nor Esys is conserved.
D. U  K. Emech is not conserved but Esys is.
E. K  Eth. Emech is not conserved but Esys is.
Four students run up the stairs in the time shown.
Rank in order, from largest to smallest, their power
outputs Pa to Pd.
A.
B.
C.
D.
E.
Pd > Pb > Pa > Pc
Pd > Pa = Pb > Pc
Pb > Pa = Pc > Pd
Pc > Pb = Pa > Pd
Pb > Pa > Pc > Pd
Four students run up the stairs in the time shown.
Rank in order, from largest to smallest, their power
outputs Pa to Pd.
A.
B.
C.
D.
E.
Pd > Pb > Pa > Pc
Pd > Pa = Pb > Pc
Pb > Pa = Pc > Pd
Pc > Pb = Pa > Pd
Pb > Pa > Pc > Pd
Rank in order,
from largest to
smallest, the
gravitational
potential energies
of balls 1 to 4.
A. (Ug)1 > (Ug)2 = (Ug)4 > (Ug)3
B. (Ug)4 > (Ug)3 > (Ug)2 > (Ug)1
C. (Ug)1 > (Ug)2 > (Ug)3 > (Ug)4
D. (Ug)4 = (Ug)2 > (Ug)3 > (Ug)1
E. (Ug)3 > (Ug)2 = (Ug)4 > (Ug)1
Rank in order,
from largest to
smallest, the
gravitational
potential energies
of balls 1 to 4.
A. (Ug)1 > (Ug)2 = (Ug)4 > (Ug)3
B. (Ug)4 > (Ug)3 > (Ug)2 > (Ug)1
C. (Ug)1 > (Ug)2 > (Ug)3 > (Ug)4
D. (Ug)4 = (Ug)2 > (Ug)3 > (Ug)1
E. (Ug)3 > (Ug)2 = (Ug)4 > (Ug)1
A small child slides down the four frictionless slides A–D.
Each has the same height. Rank in order, from largest to
smallest, her speeds vA to vD at the bottom.
A.
B.
C.
D.
E.
vC > vA = vB > vD
vC > vB > vA > vD
vD > vA > vB > vC
vA = vB = vC = vD
vD > vA = vB > vC
A small child slides down the four frictionless slides A–D.
Each has the same height. Rank in order, from largest to
smallest, her speeds vA to vD at the bottom.
A.
B.
C.
D.
E.
vC > vA = vB > vD
vC > vB > vA > vD
vD > vA > vB > vC
vA = vB = vC = vD
vD > vA = vB > vC
A box slides along the frictionless surface shown in the
figure. It is released from rest at the position shown. Is
the highest point the box reaches on the other side at
level a, at level b, or level c?
A. At level a
B. At level b
C. At level c
A box slides along the frictionless surface shown in the
figure. It is released from rest at the position shown. Is
the highest point the box reaches on the other side at
level a, at level b, or level c?
A. At level a
B. At level b
C. At level c
The graph shows force
versus displacement for
three springs. Rank in
order, from largest to
smallest, the spring
constants k1, k2, and k3.
A.
B.
C.
D.
E.
k1 > k3 > k2
k3 > k2 > k1
k1 = k3 > k2
k2 > k1 = k3
k1 > k2 > k3
The graph shows force
versus displacement for
three springs. Rank in
order, from largest to
smallest, the spring
constants k1, k2, and k3.
A.
B.
C.
D.
E.
k1 > k3 > k2
k3 > k2 > k1
k1 = k3 > k2
k2 > k1 = k3
k1 > k2 > k3
A spring-loaded gun shoots a plastic
ball with a speed of 4 m/s. If the spring
is compressed twice as far, the ball’s
speed will be
A. 1 m/s.
B. 2 m/s.
C. 4 m/s.
D. 8 m/s.
E. 16 m/s.
A spring-loaded gun shoots a plastic
ball with a speed of 4 m/s. If the spring
is compressed twice as far, the ball’s
speed will be
A. 1 m/s.
B. 2 m/s.
C. 4 m/s.
D. 8 m/s.
E. 16 m/s.
A particle with the potential energy shown in the graph
is moving to the right. It has 1 J of kinetic energy at x =
1 m. Where is the particle’s turning point?
A. x = 1 m
B. x = 2 m
C. x = 5 m
D. x = 6 m
E. x = 7.5 m
A particle with the potential energy shown in the graph
is moving to the right. It has 1 J of kinetic energy at x =
1 m. Where is the particle’s turning point?
A. x = 1 m
B. x = 2 m
C. x = 5 m
D. x = 6 m
E. x = 7.5 m
The cart’s change of momentum is
A. 30 kg m/s.
B. 10 kg m/s.
C.–10 kg m/s.
D.–20 kg m/s.
E. –30 kg m/s.
The cart’s change of momentum is
A. 30 kg m/s.
B. 10 kg m/s.
C.–10 kg m/s.
D.–20 kg m/s.
E. –30 kg m/s.
A 10 g rubber ball and a 10 g clay ball are
thrown at a wall with equal speeds. The rubber
ball bounces, the clay ball sticks. Which ball
exerts a larger impulse on the wall?
A. They exert equal impulses
because they have equal momenta.
B. The clay ball exerts a larger
impulse because it sticks.
C. Neither exerts an impulse on the
wall because the wall doesn’t move.
D. The rubber ball exerts a
larger impulse because it bounces.
A 10 g rubber ball and a 10 g clay ball are
thrown at a wall with equal speeds. The rubber
ball bounces, the clay ball sticks. Which ball
exerts a larger impulse on the wall?
A. They exert equal impulses
because they have equal momenta.
B. The clay ball exerts a larger
impulse because it sticks.
C. Neither exerts an impulse on the
wall because the wall doesn’t move.
D. The rubber ball exerts a
larger impulse because it bounces.
Objects A and C are made of different materials, with
different “springiness,” but they have the same mass and
are initially at rest. When ball B collides with object A, the
ball ends up at rest. When ball B is thrown with the same
speed and collides with object C, the ball rebounds to the
left. Compare the velocities of A and C after the collisions.
Is vA greater than, equal to, or less than vC?
A. vA > vC
B. vA < vC
C. vA = vC
Objects A and C are made of different materials, with
different “springiness,” but they have the same mass and
are initially at rest. When ball B collides with object A, the
ball ends up at rest. When ball B is thrown with the same
speed and collides with object C, the ball rebounds to the
left. Compare the velocities of A and C after the collisions.
Is vA greater than, equal to, or less than vC?
A. vA > vC
B. vA < vC
C. vA = vC
The two particles are both moving to the right. Particle
1 catches up with particle 2 and collides with it. The
particles stick together and continue on with velocity vf.
Which of these statements is true?
A. vf = v2.
B. vf is less than v2.
C. vf is greater than v2, but less than v1.
D. vf = v1.
E. vf is greater than v1.
The two particles are both moving to the right. Particle
1 catches up with particle 2 and collides with it. The
particles stick together and continue on with velocity vf.
Which of these statements is true?
A. vf = v2.
B. vf is less than v2.
C. vf is greater than v2, but less than v1.
D. vf = v1.
E. vf is greater than v1.
An explosion in a rigid pipe shoots out
three pieces. A 6 g piece comes out the
right end. A 4 g piece comes out the left
end with twice the speed of the 6 g
piece. From which end does the third
piece emerge?
A. Right end
B. Left end
An explosion in a rigid pipe shoots out
three pieces. A 6 g piece comes out the
right end. A 4 g piece comes out the left
end with twice the speed of the 6 g
piece. From which end does the third
piece emerge?
A. Right end
B. Left end
This acceleration will cause the particle to
A. slow down and curve downward.
B. slow down and curve upward.
C. speed up and curve downward.
D. speed up and curve upward.
E. move to the right and down.
This acceleration will cause the particle to
A. slow down and curve downward.
B. slow down and curve upward.
C. speed up and curve downward.
D. speed up and curve upward.
E. move to the right and down.
Rank in order, from largest to smallest, the centripetal
accelerations (ar)ato (ar)e of particles a to e.
A. (ar)b > (ar)e > (ar)a > (ar)d > (ar)c
B. (ar)b > (ar)e > (ar)a = (ar)c > (ar)d
C. (ar)b = (ar)e > (ar)a = (ar)c > (ar)d
D. (ar)b > (ar)a = (ar)c = (ar)e > (ar)d
E. (ar)b > (ar)a = (ar)a > (ar)e > (ar)d
Rank in order, from largest to smallest, the centripetal
accelerations (ar)ato (ar)e of particles a to e.
A. (ar)b > (ar)e > (ar)a > (ar)d > (ar)c
B. (ar)b > (ar)e > (ar)a = (ar)c > (ar)d
C. (ar)b = (ar)e > (ar)a = (ar)c > (ar)d
D. (ar)b > (ar)a = (ar)c = (ar)e > (ar)d
E. (ar)b > (ar)a = (ar)a > (ar)e > (ar)d
A block on a string spins in a
horizontal circle on a
frictionless table. Rank
order, from largest to
smallest, the tensions Ta to Te
acting on blocks a to e.
A.
B.
C.
D.
E.
Tb > Ta > Td > Tc > Te
Te > Tc = Td > Ta = Tb
Te > Td > Tc > Tb > Ta
Td > Tb = Te > Tc > Ta
Td > Tb > Te > Tc > Ta
A block on a string spins in a
horizontal circle on a
frictionless table. Rank
order, from largest to
smallest, the tensions Ta to Te
acting on blocks a to e.
A.
B.
C.
D.
E.
Tb > Ta > Td > Tc > Te
Te > Tc = Td > Ta = Tb
Te > Td > Tc > Tb > Ta
Td > Tb = Te > Tc > Ta
Td > Tb > Te > Tc > Ta
A car is rolling over the top of a
hill at speed v. At this instant,
A. n > w.
B. n < w.
C. n = w.
D.We can’t tell about n without knowing v.
A car is rolling over the top of a
hill at speed v. At this instant,
A. n > w.
B. n < w.
C. n = w.
D.We can’t tell about n without knowing v.
A ball on a string is swung in a vertical circle.
The string happens to break when it is parallel
to the ground and the ball is moving up. Which
trajectory does the ball follow?
A ball on a string is swung in a vertical circle.
The string happens to break when it is parallel
to the ground and the ball is moving up. Which
trajectory does the ball follow?
A fishing line of negligible mass lifts a fish
upward at constant speed. The line and the fish
are the system, the fishing pole is part of the
environment. What, if anything, is wrong with
the free-body diagrams?
A. The force of the pole on the fish is
missing.
B. The force of gravity on the line is
missing.
C. The gravitational force and the
tension force are incorrectly
identified as an action/reaction pair.
D. There should be only one force on
the fish.
E. There is nothing wrong with the
free-body diagrams.
A fishing line of negligible mass lifts a fish
upward at constant speed. The line and the fish
are the system, the fishing pole is part of the
environment. What, if anything, is wrong with
the free-body diagrams?
A. The force of the pole on the fish is
missing.
B. The force of gravity on the line is
missing.
C. The gravitational force and the
tension force are incorrectly
identified as an action/reaction pair.
D. There should be only one force on the
fish.
E. There is nothing wrong with the freebody diagrams.
Car B is stopped for a red light. Car A,
which has the same mass as car B, doesn’t
see the red light and runs into the back of B.
Which of the following statements is true?
A. A exerts a larger force on B than B exerts on A.
B. A exerts a force on B but B doesn’t exert a force
on A.
C. B exerts a force on A but A doesn’t exert a force
on B.
D. B exerts a larger force on A than A exerts on B.
E. B exerts the same amount of force on A as A
exerts on B.
Car B is stopped for a red light. Car A,
which has the same mass as car B, doesn’t
see the red light and runs into the back of B.
Which of the following statements is true?
A. A exerts a larger force on B than B exerts on A.
B. A exerts a force on B but B doesn’t exert a force
on A.
C. B exerts a force on A but A doesn’t exert a force
on B.
D. B exerts a larger force on A than A exerts on B.
E. B exerts the same amount of force on A as A
exerts on B.
Boxes A and B are sliding to the right across a
frictionless table. The hand H is slowing them
down. The mass of A is larger than the mass of B.
Rank in order, from largest to smallest, the
horizontal forces on A, B, and H.
A.
B.
C.
D.
FH on B = FH on A > FA on B
FB on H = FH on B = FA on B = FB on A
FB on H = FH on B < FA on B = FB on A
FB on H = FH on B < FA on B = FB on A
Boxes A and B are sliding to the right across a
frictionless table. The hand H is slowing them
down. The mass of A is larger than the mass of B.
Rank in order, from largest to smallest, the
horizontal forces on A, B, and H.
A.
B.
C.
D.
FH on B = FH on A > FA on B
FB on H = FH on B = FA on B = FB on A
FB on H = FH on B < FA on B = FB on A
FB on H = FH on B < FA on B = FB on A
All three 50 kg blocks are at rest. Is the
tension in rope 2 greater than, less than,
or equal to the tension in rope 1?
A. Equal to
B. Greater than
C. Less than
All three 50 kg blocks are at rest. Is the
tension in rope 2 greater than, less than,
or equal to the tension in rope 1?
A. Equal to
B. Greater than
C. Less than
In the figure to the
right, is the
tension in the
string greater
than, less than, or
equal to the
weight of
block B?
A. Equal to
B. Greater than
C. Less than
In the figure to the
right, is the
tension in the
string greater
than, less than, or
equal to the
weight of
block B?
A. Equal to
B. Greater than
C. Less than
A small car is pushing
a larger truck that
has a dead battery.
The mass of the truck
is larger than the
mass of the
car. Which of the following statements is true?
A. The truck exerts a larger force on the car than the car exerts
on the truck.
B. The truck exerts a force on the car but the car doesn’t exert a
force on the truck.
C. The car exerts a force on the truck but the truck doesn’t exert
a force on the car.
D. The car exerts a larger force on the truck than the truck
exerts on the car.
E. The car exerts the same amount of force on the truck as the
truck exerts on the car.
A small car is pushing
a larger truck that
has a dead battery.
The mass of the truck
is larger than the
mass of the
car. Which of the following statements is true?
A. The truck exerts a larger force on the car than the car exerts
on the truck.
B. The truck exerts a force on the car but the car doesn’t exert a
force on the truck.
C. The car exerts a force on the truck but the truck doesn’t exert
a force on the car.
D. The car exerts a larger force on the truck than the truck
exerts on the car.
E. The car exerts the same amount of force on the truck as
the truck exerts on the car.
A Martian lander is approaching the
surface. It is slowing its descent by firing
its rocket motor. Which is the correct freebody diagram for the lander?
A Martian lander is approaching the
surface. It is slowing its descent by firing
its rocket motor. Which is the correct freebody diagram for the lander?
An elevator that has descended from the
50th floor is coming to a halt at the 1st
floor. As it does, your apparent weight is
A. less than your true weight.
B. equal to your true weight.
C. more than your true weight.
D. zero.
An elevator that has descended from the
50th floor is coming to a halt at the 1st
floor. As it does, your apparent weight is
A. less than your true weight.
B. equal to your true weight.
C. more than your true weight.
D. zero.
Rank order, from largest to smallest, the size
of the friction forces fa to fe in these five
different situations. The box and the floor are
made of the same materials in all situations.
A.
B.
C.
D.
E.
fc >
fb >
fb >
fa >
fa =
fd >
fc =
fc >
fc =
fb >
fe >
fd =
fd >
fd =
fc =
fb > fa.
fe > fa.
fe > fa.
fe > fb.
fd = fe.
Rank order, from largest to smallest, the size
of the friction forces fa to fe in these five
different situations. The box and the floor are
made of the same materials in all situations.
A.
B.
C.
D.
E.
fc >
fb >
fb >
fa >
fa =
fd > fe > fb > fa.
fc = fd = fe > fa.
fc > fd > fe > fa.
fc = fd = fe > fb.
fb > fc = fd = fe.
The terminal speed of a Styrofoam ball is
15 m/s. Suppose a Styrofoam ball is shot
straight down with an initial speed of
30 m/s. Which velocity graph is correct?
The terminal speed of a Styrofoam ball is
15 m/s. Suppose a Styrofoam ball is shot
straight down with an initial speed of
30 m/s. Which velocity graph is correct?
Two of three forces exerted on an object are
shown. The net force points to the left. What is
the missing third force?
Two of three forces exerted on an object are
shown. The net force points to the left. What is
the missing third force?
You’ve just kicked a rock, and it is now
sliding across the ground about 2 meters
in front of you. Which of these forces act
on the ball?
A. Gravity, acting downward
B. The normal force, acting upward
C. The force of the kick, acting in the
direction of motion
D. Friction, acting opposite the direction of
motion
E. A, B, and D but not C.
You’ve just kicked a rock, and it is now
sliding across the ground about 2 meters
in front of you. Which of these forces act
on the ball?
A. Gravity, acting downward
B. The normal force, acting upward
C. The force of the kick, acting in the
direction of motion
D. Friction, acting opposite the direction of
motion
E. A, B, and D but not C.
Two rubber bands stretched the standard
distance cause an object to accelerate at
2 m/s2. Suppose another object with twice
the mass is pulled by four rubber bands
stretched the standard length. The
acceleration of this second object is
A. 16 m/s2.
B. 8 m/s2.
C. 4 m/s2.
D. 2 m/s2.
E. 1 m/s2.
Two rubber bands stretched the standard
distance cause an object to accelerate at 2
m/s2. Suppose another object with twice the
mass is pulled by four rubber bands
stretched the standard length. The
acceleration of this second object is
A. 16 m/s2.
B. 8 m/s2.
C. 4 m/s2.
D. 2 m/s2.
E. 1 m/s2.
Three forces act on an object. In which
direction does the object accelerate?
Three forces act on an object. In which
direction does the object accelerate?
An elevator suspended by a cable is
moving upward and slowing to a stop.
Which free-body diagram is correct?
An elevator suspended by a cable is
moving upward and slowing to a stop.
Which free-body diagram is correct?
This acceleration will cause the particle to
A. slow down and curve downward.
B. slow down and curve upward.
C. speed up and curve downward.
D. speed up and curve upward.
E. move to the right and down.
This acceleration will cause the particle to
A. slow down and curve downward.
B. slow down and curve upward.
C. speed up and curve downward.
D. speed up and curve upward.
E. move to the right and down.
During which time interval is the particle
described by these position graphs at
rest?
A. 0–1 s
B. 1–2 s
C. 2–3 s
D. 3–4 s
During which time interval is the particle
described by these position graphs at
rest?
A. 0–1 s
B. 1–2 s
C. 2–3 s
D. 3–4 s
A 50 g ball rolls off a table and lands 2 m
from the base of the table. A 100 g ball
rolls off the same table with the same
speed. It lands at a distance
A. less than 2 m from the base.
B. 2 m from the base.
C. greater than 2 m from the base.
A 50 g ball rolls off a table and lands 2 m
from the base of the table. A 100 g ball
rolls off the same table with the same
speed. It lands at a distance
A. less than 2 m from the base.
B. 2 m from the base.
C. greater than 2 m from the base.
A plane traveling horizontally to the right at
100 m/s flies past a helicopter that is going
straight up at 20 m/s. From the helicopter’s
perspective, the plane’s direction and speed
are
A.
B.
C.
D.
E.
right and up, more than 100 m/s.
right and up, less than 100 m/s.
right and down, more than 100 m/s.
right and down, less than 100 m/s.
right and down, 100 m/s.
A plane traveling horizontally to the right at
100 m/s flies past a helicopter that is going
straight up at 20 m/s. From the helicopter’s
perspective, the plane’s direction and speed
are
A.
B.
C.
D.
E.
right and up, more than 100 m/s.
right and up, less than 100 m/s.
right and down, more than 100 m/s.
right and down, less than 100 m/s.
right and down, 100 m/s.
A particle moves cw around a circle at
constant speed for 2.0 s. It then reverses
direction and moves ccw at half the
original speed until it has traveled
through the same angle. Which is the
particle’s angle-versus-time graph?
A particle moves cw around a circle at
constant speed for 2.0 s. It then reverses
direction and moves ccw at half the
original speed until it has traveled
through the same angle. Which is the
particle’s angle-versus-time graph?
Rank in order, from largest to smallest,
the centripetal accelerations (ar)a to (ar)e
of particles a to e.
A. (ar)b > (ar)e > (ar)a > (ar)d > (ar)c
B. (ar)b > (ar)e > (ar)a = (ar)c > (ar)d
C. (ar)b = (ar)e > (ar)a = (ar)c > (ar)d
D. (ar)b > (ar)a = (ar)c = (ar)e > (ar)d
E. (ar)b > (ar)a = (ar)a > (ar)e > (ar)d
Rank in order, from largest to smallest,
the centripetal accelerations (ar)a to (ar)e
of particles a to e.
A. (ar)b > (ar)e > (ar)a > (ar)d > (ar)c
B. (ar)b > (ar)e > (ar)a = (ar)c > (ar)d
C. (ar)b = (ar)e > (ar)a = (ar)c > (ar)d
D. (ar)b > (ar)a = (ar)c = (ar)e > (ar)d
E. (ar)b > (ar)a = (ar)a > (ar)e > (ar)d
The fan blade is slowing down. What are
the signs of ω and α?
 is positive and  is positive.
B.  is negative and  is positive.
C.  is positive and  is negative.
D.  is negative and  is negative.
The fan blade is slowing down. What are
the signs of ω and α?
 is positive and  is positive.
B.  is negative and  is positive.
C.  is positive and  is negative.
D.  is negative and  is negative.
Which figure shows A1  A2  A3?
Which figure shows A1  A2  A3?
Which figure shows 2 A − B ?
Which figure shows 2 A − B ?
What are the x- and y-components Cx and
Cy of vector C ?
A.
B.
C.
D.
E.
Cx = 1 cm, Cy = –1 cm
Cx = –3 cm, Cy = 1 cm
Cx = –2 cm, Cy = 1 cm
Cx = –4 cm, Cy = 2 cm
Cx = –3 cm, Cy = –1 cm
What are the x- and y-components Cx and
Cy of vector C ?
A.
B.
C.
D.
E.
Cx = 1 cm, Cy = –1 cm
Cx = –3 cm, Cy = 1 cm
Cx = –2 cm, Cy = 1 cm
Cx = –4 cm, Cy = 2 cm
Cx = –3 cm, Cy = –1 cm
Angle φ that specifies the direction of C
is given by
A.
B.
C.
D.
E.
tan–1(Cy /Cx)
tan–1(Cx /|Cy|)
tan–1(Cy /|Cx|)
tan–1(Cx /Cy)
tan–1(|Cx |/|Cy|)
Angle φ that specifies the direction of C
is given by
A.
B.
C.
D.
E.
tan–1(Cy /Cx)
tan–1(Cx /|Cy|)
tan–1(Cy /|Cx|)
tan–1(Cx /Cy)
tan–1(|Cx |/|Cy|)
Which position-versus-time graph
represents the motion shown in the motion
diagram?
Which position-versus-time graph
represents the motion shown in the
motion diagram?
Which velocity-versus-time graph goes
with the position-versus-time graph on
the left?
Which velocity-versus-time graph goes
with the position-versus-time graph on
the left?
Which position-versus-time graph goes
with the velocity-versus-time graph at
the top? The particle’s position at
ti = 0 s is xi = –10 m.
Which position-versus-time graph goes
with the velocity-versus-time graph at
the top? The particle’s position at
ti = 0 s is xi = –10 m.
Which velocity-versus-time graph or
graphs goes with this acceleration-versustime graph? The particle is initially moving
to the right and eventually to the left.
Which velocity-versus-time graph or
graphs goes with this acceleration-versustime graph? The particle is initially moving
to the right and eventually to the left.
The ball rolls up the ramp, then back
down. Which is the correct acceleration
graph?
The ball rolls up the ramp, then back
down. Which is the correct acceleration
graph?
Rank in order, from largest to
smallest, the accelerations aA– aC at
points A – C.
A) aA > aB > aC
B) aA > aC > aB
C) aB > aA > aC
D) aC > aA > aB
E) aC > aB > aA
Rank in order, from largest to
smallest, the accelerations aA– aC at
points A – C.
A) aA > aB > aC
B) aA > aC > aB
C) aB > aA > aC
D) aC > aA > aB
E) aC > aB > aA
Which car is going faster, A or B? Assume
there are equal intervals of time between
the frames of both movies.
Which car is going faster, A or B? Assume
there are equal intervals of time between
the frames of both movies.
B is going faster.
Three motion diagrams are shown.
Which is a dust particle settling to the
floor at constant speed, which is a ball
dropped from the roof of a building, and
which is a descending rocket slowing to
make a soft landing on Mars?
A. (a) is ball, (b) is dust, (c) is rocket
B. (a) is ball, (b) is rocket, (c) is dust
C. (a) is rocket, (b) is dust, (c) is ball
D. (a) is rocket, (b) is ball, (c) is dust
E. (a) is dust, (b) is ball, (c) is rocket
Three motion diagrams are shown.
Which is a dust particle settling to the
floor at constant speed, which is a ball
dropped from the roof of a building, and
which is a descending rocket slowing to
make a soft landing on Mars?
A. (a) is ball, (b) is dust, (c) is rocket
B. (a) is ball, (b) is rocket, (c) is dust
C. (a) is rocket, (b) is dust, (c) is ball
D. (a) is rocket, (b) is ball, (c) is dust
E. (a) is dust, (b) is ball, (c) is rocket
A particle moves from position 1 to
position 2 during the interval ∆t. Which
vector shows the particle’s average
velocity?
A particle moves from position 1 to
position 2 during the interval ∆t. Which
vector shows the particle’s average
velocity?
A particle undergoes acceleration a while
moving from point 1 to point 2. Which of
the choices shows the velocity vector v 2 as
the object moves away from point 2?
A particle undergoes acceleration a while
moving from point 1 to point 2. Which of
the choices shows the velocity vector v 2 as
the object moves away from point 2?
Rank in order, from the most to the least, the
number of significant figures in the following
numbers. For example, if b has more than c,
c has the same number as a, and a has more
than d, you could give your answer as b > c =
a > d.
a. 8200 b. 0.0052 c. 0.430 d. 4.321 × 10−10
A.
B.
C.
D.
E.
a=b=d>c
b=d>c>a
d>c>b=a
d>c>a>b
b>a=c=d
Rank in order, from the most to the least, the
number of significant figures in the following
numbers. For example, if b has more than c,
c has the same number as a, and a has more
than d, you could give your answer as b > c =
a > d.
a. 8200 b. 0.0052 c. 0.430 d. 4.321 × 10−10
A.
B.
C.
D.
E.
a=b=d>c
b=d>c>a
d>c>b=a
d>c>a>b
b>a=c=d