Amplify Force and Motion, Chapters 1 and 2

Front

How an object changes velocity depends on the _____ of the force exerted on that object.

Back

direction

Front

What are the five ways an object's motion can change?

Back

start, stop, change direction, speed up, slow down

Front

Velocity is _____

Back

the speed of an object in a particular direction

Front

In order to cause an object to slow down, a force must be applied in the ______ direction of velocity.

Back

opposite

Front

What is force?

Back

A push or pull on an object that can cause it to change its motion.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is acceleration?

Back

The rate at which an object's velocity changes over time.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is mass?

Back

The amount of matter in an object, which affects its inertia.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.