Power DOL P2

Front

The formula for computing power is _____

Back

work / time

Front

Force = __

Back

mass x acceleration

Front

A horse performs 15000 joules of work pulling a wagon for 20 seconds. What is the horse's power?

Back

750 W

Front

Power is _____

Back

is the rate of doing work

Front

W = 500 J, T = 25 seconds, P = ?

Back

20 W

Front

What is the unit of power?

Back

Watt (W)

Front

What does 1 Watt represent?

Back

1 Joule per second (J/s)

Front

What is work done?

Back

Work done is the energy transferred when a force is applied over a distance.

Front

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

Back

Power = Work / Time

Front

If a machine does 1000 J of work in 10 seconds, what is its power?

Back

100 W