Unit 3: Energy Review Level 1

What is energy?

• The ability to cause change

• Energy in motion

• Stored energy due to gravity

• Stored energy due to a spring or something elastic

Match the following

• Energy in motion

• Energy

• Change in Energy

• Work

• Stored energy

• Kinetic Energy

• Total Energy of a system

• Potential Energy Due to Gravity

• The ability to Cause Change

• Mechanical Energy

Match the following

• Kg

• Kinetic Energy, Potential Energy, Energy,

• m/s2

• Height

• J

• Mass

• m

• g

• N

• Force

Match the following

• m

• Efficiency

• %

• Power

• s

• Work

• W

• Time

• J

• displacement

The rate at which work is done is:

A change in energy is:

Where is the car moving fastest?

• A

• B

• C

• D

Where does the car have the most gravitational potential energy?

• A

• B

• C

• D

The car is not moving at point A. What type of energy is present at point A?

(Select all that apply)

• Kinetic Energy (KE)

• Potential Energy (PE)

• No Mechanical Energy Present

The car has 200 J of potential energy at point A and is not moving. What is the total mechanical energy at point A?

• 200 J

• 150 J

• 100 J

• 50 J

• 0 J