Work and Power Problems

Front

What is the formula for calculating work?

Back

Work = force x distance

Front

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

Back

50 J

Front

Define power in terms of work and time.

Back

Power = work / time

Front

How much power is used if 600 J of work is done in 15 seconds?

Back

40 W

Front

What is the unit of power?

Back

Watt (W)

Front

If 1000 J of work is done in 50 seconds, what is the power?

Back

20 W

Front

What is the relationship between work, power, and time?

Back

Power is the rate at which work is done.

Front

Calculate the work done if a force of 200 N is applied over a distance of 3 m.

Back

600 J

Front

What is the definition of work in physics?

Back

Work is done when a force causes an object to move.

Front

If a machine does 1500 J of work in 30 seconds, what is its power output?

Back

50 W