Front

What happens to a block in a pulley if you let go of the rope?

Back

The block will go down.

Front

What should a student use to describe a car's motion?

Back

Direction and speed.

Front

What is an example of the force of gravity?

Back

A ball falling to the ground after it has been thrown.

Front

What are pencils, plastic beads, and rubber bands classified as?

Back

Insulators.

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is speed?

Back

The distance an object travels per unit of time.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.