Middle School Physical Science - Potential and Kinetic Energy

1

The equation for Kinetic Energy is: KE = 1/2 mv2. What effect would decreasing the mass have on the velocity assuming that the kinetic energy stays the same?

2

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The image shows a rollercoaster track. At which point does the rollercoaster have the LEAST potential energy?

3

The equation for Kinetic Energy is: KE = 1/2 mv2. What effect would decreasing the mass have on the velocity assuming that the kinetic energy stays the same?

4

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What is one way we could increase the gravitational pull between these two objects?

5

Screen shot 2020 05 28 at 9.10.40 am

The image shows a rollercoaster track. At which point does the rollercoaster have the LEAST potential energy?

6

Screen shot 2020 05 27 at 11.43.32 am

What is one way we could increase the gravitational pull between these two objects?

7

Chemical potential energy is stored in the bonds between atoms. This means that chemical potential energy is greatest when:

8

Suppose you have a grocery cart. You are pushing it down the aisle and you continue to push with the same speed as you put more items in the cart. As you add more groceries to the cart, how will the Kinetic energy of the cart change?

9

Suppose you have a grocery cart. You are pushing it down the aisle and you continue to push with the same speed as you put more items in the cart. As you add more groceries to the cart, how will the Kinetic energy of the cart change?

10

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Assuming all of these objects have the same mass, which of these sets of objects would have a greater gravitational potential energy?

Potential and Kinetic Energy

Practice Questions