P2 - Work and Energy

Work is measured in units called

• Joules

• kilograms

• meters

• Newtons

Energy due to motion is called __________ energy.

• Kinetic

• Potential

• Chemical

• Power

Energy due to an object's position is called __________ energy.

• Kinetic

• Gravitational potential

• Chemical

• Power

Kinetic energy can be calculated by using which formula?

• KE = Fd

• KE = mgh

What is the formula for finding gravitational potential energy GPE?

• mgh

• Fd

• d/t

What is the kinetic energy of a go-cart with a mass of 150 kilograms and a speed of 20 m/s?

• 1500

• 3000

• 30000

• 60000

How high would you need to lift a 2-kg bottle of soda to increase its potential energy by 500 joules?

• 0 m

• 25 m

• 250 m

• 1000 m

A 60 N block at rest at the bottom of a frictionless ramp is pushed up the incline. How much potential energy does the block gain?

• 0 J

• 20 J

• 60 J

• 180 J

__________ is the ability to do work, or the ability to exert a force and make something move.

• Force

• Power

• Velocity

• Energy

Natalie lifts a 15-kg rock from the ground onto a 1.5 meter high wall. What is the amount of potential energy she has given the rock?

• 10 J

• 23 J

• 220 J

• 2200 J