Download Ch 5 Review Questions

1. An object’s distance from
another object is changing.
a.
b.
c.
d.
acceleration
force
inertia
motion
2. A place or object used
for comparison to
determine if something is
in motion
a.
b.
c.
d.
Center of gravity
Reference point
Mass
Inertia
3. Speed in a given
direction
a.
b.
c.
d.
acceleration
velocity
speed
momentum
4. A push or a pull on an
object
a.
b.
c.
d.
Mass
Friction
Force
Momentum
5. When the overall force
changes an object’s motion
it is a(n)____
a. Force
b. Balanced force
c. Unbalanced force
6. Equal forces acting on
one object in opposite
directions (the object won’t
move)
Force
a.
b. Balanced force
c. Unbalanced force
7. Force that one
substance exerts on
another when the two rub
against each other
a.
b.
c.
d.
Mass
Friction
Air resistance
Force
8. Rate at which velocity
changes
a.
b.
c.
d.
Acceleration
Speed
Velocity
Momentum
9. Force that pulls objects
toward each other
a.
b.
c.
d.
Friction
Gravity
Free fall
Momentum
10. A type of friction that
occurs between objects and
air
a.
b.
c.
d.
Mass
Friction
Air resistance
Force
11. The tendency of an
object to resist changes in
its motion
a.
b.
c.
d.
Unbalanced force
Inertia
Friction
Motion
12. What is the formula for
calculating speed?
a. S = D x T
b. S = D  T
c. S = T  D
13. What is the formula for
calculating acceleration?
a. A =
b.
A=
c.
A=
I–F
T
F–I
T
T–I
F
14. Force = Mass x Acceleration
This formula shows that both the size
of the force and the mass of the object
itself affect the object’s acceleration, or
change in velocity (speed or direction).
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
15. For every action there is an equal and
opposite reaction.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
16. An object at rest will
stay at rest & an object in
motion will stay in motion
until acted upon by a force.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
17. If you set a book on
the desk, the book will stay
there.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
18. You lift a heavy box of
books with more force than
a box of sweaters.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
19. A rocket takes off
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
20. You push on a ball harder
than your little brother does and
your ball goes farther.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
21. If you are riding in a car that
suddenly stops, you surge
forward until the seatbelt you are
wearing stops you.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
22. When you paddle a canoe,
you push back in the water with
the paddle and move forward in
the canoe.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
Solve the following word
problems.
Don’t forget your units!!
23. A cheetah is running after its
prey. It dashes for a meekrat that
is 7 meters away. It reaches the
meekrat in just 2 seconds. What
is the cheetah’s average speed?
24. You are at one end of a solid
metal pipe, and your friend is at
the other end. Your friend hits
the pipe. You hear the sound 1.5
seconds later. You both measure
the pipe, and it is 7,500 meters.
At what average speed did the
sound your friend made travel
through the pipe?
25. You are traveling with your family to
Disney World from Atlanta, Georgia. Your
father tells you that Disney World is 412
kilometers away. It will take you 5 hours to
reach Disney World? What is your velocity?
26. During PE, you are racing against
your classmates. Your beginning speed
is 8 meters/second. The longer you run,
the more tired you get and you slow
down to 5 meters/second. Your teacher
times your deceleration at 3 seconds.
What is your acceleration?
1. An object’s distance from
another object is changing.
a.
b.
c.
d.
acceleration
force
inertia
motion
a.
b.
c.
d.
2. A place or object used
for comparison to
determine if something is
in motion
Center of gravity
Reference point
Mass
Inertia
3. Speed in a given
direction
•
•
•
•
A.
B.
C.
D.
Acceleration
Velocity
speed
Momentum
4. A push or a pull on an
object
a.
b.
c.
d.
Mass
Friction
Force
Momentum
5. When the overall force
changes an object’s motion
it is a(n) ____
a. Force
b. Balanced force
c. Unbalanced force
6. Equal forces acting on
one object in opposite
directions (the object won’t
move)
a. Force
b. Balanced force
c. Unbalanced force
a.
b.
c.
d.
7. Force that one
substance exerts on
another when the two rub
against each other
Mass
Friction
Air resistance
Force
a.
b.
c.
d.
8. Rate at which velocity
changes
Acceleration
Speed
Velocity
Momentum
9. Force that pulls objects
toward each other
a.
b.
c.
d.
Friction
Gravity
Free fall
Momentum
10. A type of friction that
occurs between objects and
air
a.
b.
c.
d.
Mass
Friction
Air resistance
Force
11. The tendency of an
object to resist changes in
its motion
a.
b.
c.
d.
Unbalanced force
Inertia
Friction
Motion
12. What is the formula for
calculating speed?
a. S = D x T
b. S = D  T
c. S = T  D
13. What is the formula for
calculating acceleration?
a. A =
b.
A=
c.
A=
I–F
T
F–I
T
T–I
F
14. Force = Mass x Acceleration
This formula shows that both the size of the
force and the mass of the object itself affect
the object’s acceleration, or change in
velocity (speed or direction).
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
15. For every action there is an equal and
opposite reaction.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
16. An object at rest will
stay at rest & an object in
motion will stay in motion
until acted upon by a force.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
17. If you set a book on
the desk, the book will stay
there.
a. Newton’s First Law of Motion
b. Newton’s Second Law of Motion
c. Newton’s Third Law of Motion
d. Newton’s Law of Gravitational Pull
18. You lift a heavy box of
books with more force than
a box of sweaters.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
19. A rocket takes off
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
20. You push on a ball harder
than your little brother does and
your ball goes farther.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
21. If you are riding in a car that
suddenly stops, you surge forward
until the seatbelt you are wearing stops
you.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
22. When you paddle a canoe, you
push back in the water with the paddle
and move forward in the canoe.
a.
b.
c.
d.
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Newton’s Law of Gravitational Pull
23. A cheetah is running after its prey.
It dashes for a meerkat that is 7 meters
away. It reaches the meerkat in just 2
seconds. What is the cheetah’s average
speed?
S=DT
S=72=
S = 3.5 meters/second
24. You are at one end of a solid metal pipe,
and your friend is at the other end. Your
friend hits the pipe. You hear the sound 1.5
seconds later. You both measure the pipe, and
it is 7,500 meters. At what average speed did
the sound your friend made travel through the
pipe?
S=DT
S = 7,500  1.5 =
S = 5000 meters/second
25. You are traveling with your family to
Disney World from Atlanta, Georgia. Your
father tells you that Disney World is 412
kilometers away. It will take you 5 hours to
reach Disney World? What is your velocity?
S=DT
S = 412  5
S = 82.4 kilometers/hour
V= 82.4 km/hour South
26. During PE, you are racing against your
classmates. Your beginning speed is
8 meters/second. The longer you run, the more
tired you get and you slow down to
5 meters/second. Your teacher times your
deceleration at at 3 seconds. What is your
acceleration?
A=F–I
T
=5–8
3
= -3
3
A = -1
m/s/s