Energy and Motion 18

A force is a _____ or a _____

• push or pull

• push or shove

• pull or tug

• jump or hop

Which of Newton's Laws is also known as the Law of Inertia?

• 1st

• 2nd

• 3rd

• 4th

Unbalanced forces always cause

• a change in motion

• nothing to happen

• a change in gravity

• a disturbance in the force

For every action there is an ____ and ___ opposite reaction.

• equal and opposite

• equal and same

• unequal and opposite

• unequal and same

When calculating net force, your answers MUST have

• magnitude and direction

• magnitude and attitude

• altitude and direction

• directions and a map

Potential energy depends on

• mass, gravity, and height

• mass, gravity, and weight

• weight, height, blood pressure

• weight, gravity, and height

Acceleration due to gravity _____ anywhere on Earth

• stays the same

• changes

What is the formula for Newton's 2nd Law?

• F= ma

• F= m/a

• M= fa

• A=fma

An object traveling at a constant speed is considered a ____ force

• balanced

• unbalanced

An object will stay at rest unless acted upon by a(n)

• unbalanced force

• balanced force

• equal force