Work/Power/Energy Flashcard

Front

The faster an object moves, the ________ kinetic energy it has.

Back

more

Front

How do you calculate power?

Back

P = W/t

Front

A force exerted over a distance to move an object is ______________________.

Back

work

Front

How do we calculate work?

Back

W = F * d

Front

If 150 Joules of work is needed to move a box 10 meters, what force was used?

Back

15 N

Front

What is the unit of energy?

Back

Joule (J)

Front

What is the unit of power?

Back

Watt (W)

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv^2

Front

What is the formula for potential energy?

Back

PE = mgh

Front

What is the relationship between work and energy?

Back

Work done on an object results in a change in energy.