power-work and energy

Front

What is the unit of energy that electrical companies use?

Back

kW*hour

Front

A set of pulleys lifts an 800 N crate 4 meters in 7 seconds. What power was used?

Back

457.14 W

Front

Is the amount of energy being transferred over a period of time?

Back

Power

Front

If a force of 5N is applied to move an object 10 meters, how much work is done?

Back

50 Joules

Front

Who is the unit of power named after?

Back

James Watt

Front

What is the formula for calculating work done?

Back

Work = Force x Distance

Front

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

Back

Power = Work / Time

Front

What is the SI unit of energy?

Back

Joule (J)

Front

What is the definition of power in physics?

Back

Power is the rate at which work is done or energy is transferred.

Front

How do you convert kilowatts to watts?

Back

1 kW = 1000 W