Chapter 4: Work & Energy

Front

What is the ability to cause change?

Back

Energy

Front

What is done when force causes a change in the motion of an object in the direction of the applied force?

Back

Work

Front

If you apply a large force to something but it does not move, what can be said?

Back

No work has been done.

Front

What is it called when an object changes its position by moving in the direction of an applied force?

Back

Work

Front

When force is used to move an object across a distance, what is this called?

Back

Work

Front

What is the formula for calculating work?

Back

Work = Force x Distance

Front

What is the unit of measurement for work?

Back

Joule (J)

Front

What is the relationship between work and energy?

Back

Work is a transfer of energy.

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to push or pull over increased distances.

Front

What is an example of a simple machine?

Back

Lever, pulley, inclined plane.