Work and Energy Quiz

45 J of work were done on the object that moved 5 meters. How much force was applied to the object?

• 8 N

• 225 N

• 9 N

• 0 N

What are the units for Work?

• Newtons

• Kilograms

• Joules

• Moles

What is the equation for Kinetic Energy (KE)?

Match the following

• energy of motion

• law of conservation of energy

• a simple machine consisting of a slope

• kinetic energy

• the metric unit for work and energy; equal to 1 newton meter (N∙m)

• inclined plane

• effort force multiplied by the distance over which it is applied

• input work

• states that energy is neither created nor destroyed

• joule

 The law of conservation states that we cannot ________ any more energy and when we use energy, it is not ________ , only ____________.

• changed/transformed

• destroyed

• create

At which point on the roller coaster is the kinetic energy at its maximum?

• A

• B

• C

• D

A 70 kg runner starts a race from rest, he then runs a perfect circle track and ends the race at rest. Did he do work?

• Yes

• No

Decide if the pictures below illustrate work or no work.

Drag and drop if the pictures are showing work or no work.

• work

• 
• no work

• 
• work

• 
• no work

• 
• work

• 

What is the GPE at point A

• 14 J

• 12 J

• 6 J

• 8 J