Apologia Physical Science Middle School Module 7

Front

Friction that opposes motion once the motion has already started

Back

Kinetic Friction

Front

The tendency of an object to resist changes in its velocity

Back

Inertia

Front

Friction that opposes the initiation of motion

Back

Static Friction

Front

A force that opposes motion, resulting from the contact of two surfaces

Back

Friction

Front

You push on a box and are unable to move it. What force opposes your push?

Back

static friction

Front

Which of Newton's laws is sometimes called the law of inertia?

Back

Newton's first law

Front

A change in which of the following affects the weight of an object?

• air resistance
• friction
• acceleration due to gravity
• velocity

Back

acceleration due to gravity

Front

For every action force there is a

Back

reaction force

Front

What force holds the nucleus of atoms together?

Back

strong

Front

A physics student climbs a tree and drops a rock. It takes 1.3 seconds for the rock to hit the ground. How many feet has she climbed?

Back

27.04 feet