Work and Power

Front

What is the formula for calculating work?

Back

Work = Force × Distance

Front

What is the unit of work?

Back

Joule (J)

Front

What is power in terms of work and time?

Back

Power = Work / Time

Front

What is the unit of power?

Back

Watt (W)

Front

If a force of 10 N moves an object 5 m, how much work is done?

Back

50 J

Front

What is the relationship between work and energy?

Back

Work is a transfer of energy.

Front

What is the definition of force?

Back

A push or pull on an object.

Front

How do you calculate power if you know work and time?

Back

Power = Work / Time

Front

What is the significance of the watt?

Back

It measures the rate of energy transfer.

Front

If 100 J of work is done in 5 seconds, what is the power?

Back

20 W