Work and Power Flashcard

Front

What is the unit used to measure power?

Back

Watt

Front

Work is only done when an object __________.

Back

moves

Front

You do 90 joules of work in 30 seconds. How much power have you generated?

Back

3 watts

Front

What would 14J be an example of?

Back

work

Front

What is the standard unit force is measured in?

Back

Newtons

Front

Define work in physics.

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is the formula for calculating power?

Back

Power = Work / Time

Front

If a machine does 100 joules of work in 5 seconds, what is its power output?

Back

20 watts

Front

What is the relationship between work and energy?

Back

Work is a transfer of energy.

Front

What is the SI unit of work?

Back

Joule (J)