Work and Power

Front

What do simple machines increase to make work easier?

Back

The distance over which work is done.

Front

How much work is done when lifting two 300 newton weights 1.5 meters off the ground?

Back

900 J

Front

What is the formula for power?

Back

Work divided by time.

Front

What is a measure of force?

Back

100 newtons.

Front

True or False: The farther you move an object, the more work you do.

Back

True.

Front

What is the unit of work?

Back

Joule (J).

Front

What is the relationship between work and energy?

Back

Work is a transfer of energy.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

Front

What is power measured in?

Back

Watts (W).

Front

If you do 200 J of work in 4 seconds, what is your power output?

Back

50 W.