Download Motion and Forces Practice Test

Motion and Forces Practice Test- PLEASE DO NOT WRITE ON THIS PACKET!!
Section 1: DESCRIBING AND MEASURING MOTION.
Use the distance vs time graph below to complete questions #1-5.
1.
The slope on a distance-time graph shows the ________ of an object.
A. Distance
B. Acceleration
C. Speed
D. Force
2.
Who won the race?
A. Albert
B. Bob
C. Charlie
D. They all tied
3.
How far was the race?
A. 12 meters
B. 18 meters
C. 50 meters
D. 100 meters
4.
How long did it take for Bob to finish the race?
A. 12 seconds
B. 12 m/s
C. 14 seconds
D. 14 m/s
5.
What was Albert's average speed eight seconds into the race?
A. 40 meters
B. 8 m/s
C. 5 m/s
D. 5 m/s/s
Use the speed vs time graph below to complete questions #6-8.
6. When was the bus increasing speed?
A. O  A
B. B  C
C. D  E
D. Both O  A and D  E
7. When was the bus decelerating?
A. A  B
B. E  F
C. B  C
D. Both O  A and D  E
8. When was the bus traveling at a constant speed?
A. A  B
B. B  C
C. O  A
D. D  E
9. Velocity is:
A. Speed and direction
B. Average acceleration
C. Another word for deceleration
D. Instantaneous speed
Section 2: THE NATURE OF FORCE
Matching the following terms to its definition.
10.
Force
11.
Newton
12.
Net Force
13.
Balanced Force
14.
Unbalanced Force
A.
The unit used to measure a force.
B.
The sum of all of the forces acting on an
object.
C.
Equal forces acting on an object in
opposite directions.
D.
A push or pull exerted on an object.
E.
Forces that produce a nonzero net force,
which changes an object's motion.
Section 3: FRICTION AND GRAVITY
Write the correct response on the line.
15.
Which
A.
B.
C.
D.
type of friction is the strongest?
Static
Rolling
Sliding
Fluid
16.
What affects gravitational attraction between two objects?
A. Mass
B. Distance
C. Friction
D. Both A and B
17.
On the
A.
B.
C.
D.
18.
A football being thrown across a field is called a:
A. Weight
B. Projectile
C. Centripetal Force
D. Friction
19.
A falling object reaches terminal velocity:
A. When the force of air resistance equals the weight of the object.
B. When it reaches its highest height.
C. Only if it has a large mass.
D. If no air resistance acts on the object.
moon, a penny and a feather dropped from the same height will:
Fall at different rates
Fall at the same rate
Float
Not have momentum
20.
A ball is dropped at the exact same time that another ball is shot. What best describes what will
happen?
A.
B.
C.
D.
21.
Which
blader?
A.
B.
C.
D.
The ball that is dropped will hit the ground first because it travels a shorter distance.
The ball that was shot will hit the ground first because it has a greater terminal velocity.
The two balls will hit the ground at the same time because gravity acts the same on both objects.
A different scenario will occur each time.
Air
Resistance
force is labeled INCORRECTLY on the force diagram of the roller
Air resistance
Friction
Weight
Normal Force
Friction
Weight
Section 4: NEWTON'S THREE LAWS AND MOMENTUM
Match the term with the definition.
A.
Depends on the mass and velocity of an
object.
B.
22.
Newton's First Law of Motion
23.
Newton's Second Law of Motion
24.
Newton's Third Law of Motion
25.
Momentum
26.
Inertia
A net force acting on an object causes the
object to accelerate in the direction of the net
force and is dependent upon the mass of the object.
C.
The tendency of an object to resist a change
in motion.
D.
An object in motion will stay in motion and an
object at rest will stay at rest unless acted upon by
an unbalanced force.
E.
For every action force there is an equal and
opposite reaction force.
Normal
Force
CALCULATIONS: Complete the calculations below. Show all of your work on a separate piece of
paper.
27. What is the momentum of a 760 kg car if it is traveling down the road at 65 m/s?
28. What amount of force is needed to accelerate a hockey puck at 56 m/s/s if the puck's mass is 3.2 kg?
29. What is the weight (in Newtons) of a person whose mass is 185 kg?
30. What is the acceleration of a car that slows down to 20 m/s from 40 m/s in 4.5 seconds?