Work, potential energy, kinetic energy

Calculate the KE of a runner that has a mass of 80 kg and is running at a velocity of 8 m/s

• 5120 J
• 320 J
• 640 J
• 2560 J

____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

When you stretch a rubber band, you are storing __________ energy. 

• gravitational potential
• elastic potential
• kinetic 
• none of the above 

Energy can not be created or destroyed, only converted from one form to another.

• true
• false

if you push a cart with a force of 60 N resulting in 120 J of work.. how far did you move the cart? 

• 7200 m
• 0 m
• 2 N 
• 2 m

What is it called  when one form of energy is changed to another form?

• Energy change
• Energy conversion
• Electrical conversion
• Force change

When you rub your hands together on a cold day, you use friction to convert

• Mechanical energy into thermal energy
• Thermal energy into nuclear energy
• Nuclear energy into electrical energy.
• Electrical energy into radiant energy