AnswersPhysicsForces, Newton's Laws, and Momentum

Forces, Newton's Laws, and Momentum — Test Answers

25 verified answers
21
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Tracy stands on a skateboard and tosses her backpack to her friend who is standing in front of her. Which best describes the acceleration Tracy experiences?

A
It is less than the acceleration of the backpack because she has a greater mass.
B
It is less than the acceleration of the backpack because she uses a smaller force.
C
It is greater than the acceleration of the backpack because she has a greater mass.
D
It is greater than the acceleration of the backpack because she uses a larger force.
22
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Which formulas show the relationships between momentum, mass, and velocity? Choose three correct answers.

A
v is equal to p over m
B
p is equal to v over m
C
v is equal to m over p
D
p is equal to m over v
E
p is equal to m v
F
m is equal to p over v
G
p is equal to v over p
23

Question text not available

Answer:

inversely

24

A box is being pulled to the right. What is the direction of the gravitational force?

A
down
B
left
C
right
D
up
25

Question text not available

Answer:

equal

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