Unit Test — Unit test Answers

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Which refers to the sum of all the forces that act upon an object?

A
absolute force
B
net force
C
positive force
D
balanced force
22
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A skydiver falls toward the ground at a constant velocity. Which statement best applies Newton’s laws of motion to explain the skydiver’s motion?

A
An upward force balances the downward force of gravity on the skydiver.
B
The skydiver’s inertia is zero, which no longer allows for acceleration.
C
An unbalanced force pulls the skydiver toward the ground.
D
The mass of the skydiver is so great that there is no acceleration.
25

When discussing Newton’s laws of motion, which terms do people most likely use when talking about Newton’s third law of motion?

A
“force” and “acceleration”
B
“inertia” and “force”
C
“action” and “reaction”
D
“mass” and “inertia”

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