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SCI 155 Chap 2b
Test Description: This game reviews concepts from Chapter 2 of your text--Motion.
Instructions: Answer all questions to get your test result.
1) The equation (distance / time) represents
A
acceleration
B
density
C
momentum
D
speed
2) The equation (change in velocity / time) represents
A
acceleration
B
speed
C
momentum
D
density
3) The equation (mass x velocity) represents
A
density
B
speed
C
momentum
D
acceleration
4) When an object is in free fall, its velocity is
A
constant
B
increasing
C
decreasing
5) When an object is in free fall, its acceleration is
A
increasing
B
decreasing
C
constant
6) A ball rolling across the floor slows to a stop because
A
the force that started it moving wears out
B
the net force equals zero
C
there is a net force acting on it
D
the forces are balanced
7) What is the acceleration if a car goes from 8 mi/h to 20 mi/h in 2 seconds?
A
4 mi/h/s
B
10 mi/h/s
C
6 mi/h/s
8) A moving car has momentum. If it moves three times as fast, its momentum will
A
go to zero
B
stay the same
C
cut in three
D
triple
9) To measure an object's inertia, you would measure its
A
volume
B
mass
C
speed
10) The force that keeps an object moving in a circular path is
A
centripetal
B
centrifugal
C
inertia
D
net
*select an answer for all questions
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