Work, Potential, and Kinetic Energy

Front

What is the symbol for work?

Back

W

Front

What does work involve?

Back

Force and distance.

Front

What is the unit for work?

Back

J (Joule)

Front

How is kinetic energy calculated?

Back

Kinetic Energy = 0.5 * mass * velocity^2

Front

What is the kinetic energy of a 2000kg car moving at 20m/s?

Back

400,000J

Front

What is potential energy?

Back

Energy stored in an object due to its position or height.

Front

How is potential energy calculated?

Back

Potential Energy = mass * gravity * height

Front

What is the potential energy of a 7kg bowling ball held 0.5m above the ground?

Back

34J

Front

What is the formula for work done?

Back

Work = force * distance * cos(θ)

Front

What is the relationship between work and energy?

Back

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