Work, Energy and Power

Work and Power

100

The unit used to measure work and energy.

What are Joules (J)?

Kinetic Energy

100

The ability to cause change by virtue of being in motion

What is kinetic energy?

Types of Potential Energy

100

This type of potential energy depends on how far an object is above the ground and is denoted by U = mgh.

What is gravitational potential energy?

Rotations

100

____ is the rotational analogue of translational kinetic energy.

What is rotational kinetic energy (KE=1/2Iω^2)?

Real Life Applications

100

When going up a mountain, you perform ___ work.

What is positive work?

200

A 2-kilogram ball is dropped from a 10-meter cliff. If the ball is dropped straight down and air resistance is negligible, how much potential energy does the object have? (g = 8.8 m/s/s)

What is 196 Joules?