Quiz 5 (3.1-3.2)

Question 1

states that a change in velocity requires an external force

Answer 1

first law of motion

Question 2

A diagram that represents the forces on an object without considering their causes or the reaction forces is a ___ diagram

Answer 2

free-body

Question 3

How do you calculate the amount of force needed to accelerate an object?

Answer 3

Force equals mass times acceleration

Question 4

states that every action has an equal and opposite reaction

Answer 4

third law of motion

Question 5

The SI unit of force

Answer 5

newton

Question 6

The space relative to which motion is measured is called

Answer 6

frame of reference

Question 7

mathematically relates force and acceleration

Answer 7

second law of motion

Question 8

also called the law of inertia

Answer 8

first law of motion

Question 9

Any change in velocity

Answer 9

acceleration