Introduction to Physical Science

Chapter 10: Motion and Momentum

Motion and Momentum

1.
A golf club hitting a ball is an example of an __________ collision.
A)energetic
B)elastic
C)inelastic
D)explosive
2.
To find acceleration, you first subtract __________ than divide by time.
A)velocity from distance
B)final speed from initial speed
C)initial speed from final speed
D)final time from initial time
3.
Movement occurs when an object moves relative to a __________.
A)moving object
B)stationary object
C)reference point
D)different object
4.
An object that has the same speed but changes direction is __________.
A)slowing down
B)displacing
C)accelerating
D)speeding
5.
During a(n) __________ collision, objects bounce off each other.
A)inelastic
B)explosive
C)elastic
D)solid
6.
The reason an object can transfer energy to another after a collision is because of the conservation of __________.
A)speed
B)momentum
C)energy
D)matter
7.
At the beginning of a track race, the instantaneous speed of all runners is __________.
A)0 m/s
B)different
C)unable to be measured
D)the average speed
8.
When a car goes around a curve at 20 mph, the __________ changes.
A)instantaneous speed
B)average speed
C)speed
D)velocity
9.
When something slows, its acceleration is __________.
A)positive
B)constant
C)instantaneous
D)negative
10.
An object that travels 100 m in 20 s has what speed?
A)2 000 m/s
B)200 m/s
C)5 m/s
D)50 m/s
11.
What is the term for a change in velocity?
A)speed
B)instantaneous speed
C)average speed
D)acceleration
12.
When you graph speed, time is on the __________.
A)vertical axis
B)z-axis
C)y-axis
D)x-axis
13.
The __________ measures the speed during an entire trip.
A)overall speed
B)instantaneous speed
C)acceleration
D)average speed
14.
When something accelerates then stops accelerating, what happens to the object?
A)slows
B)continues to move at a constant velocity
C)goes faster
D)stops completely
15.
__________ is distance divided by time.
A)Velocity
B)Speed
C)Acceleration
D)Displacement
16.
When a negative acceleration is graphed, the line __________.
A)remains constant
B)slopes downward
C)goes to zero
D)slopes upward
17.
During any collision, some energy is lost due to __________.
A)elasticity
B)momentum
C)conservation
D)friction
18.
Something is in motion if it __________.
A)changes properties
B)changes state
C)changes distance
D)changes position
19.
What is the tendency for an object to resist change in its motion?
A)inertia
B)matter
C)momentum
D)mass
20.
On an acceleration graph in which the line is level, the acceleration is __________.
A)zero
B)positive
C)negative
D)changing
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