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PS.7.2.1 - KE and PE

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Last updated over 1 year ago
4 questions
7
8
Required
1
Required
1
Question 1
1.

Match the following vocabulary words to their definition.

Draggable itemarrow_right_altCorresponding Item
Gravitational potential energy
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the ability to do work
Joule
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energy that an object has due to its motion
Law of conservation of energy
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stored energy that results from the position or shape of an object
Potential energy
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the movement of energy from one object or place to another
Kinetic energy
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the law that states that energy cannot be created or destroyed but can be changed from one form to another
Energy transfer
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the potential energy of an object due to its height, or its position relative to the earth's surface
Energy
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unit of energy
Question 2
2.

Categorize the examples below as either potential energy or kinetic energy.

  • An apple hanging from a tree
  • A baseball player swinging a bat
  • A book sitting on a shelf
  • A soccer ball moving across the field after it's been kicked
  • A boulder sitting at the top of a hill
  • A jack in the box before it's released
  • A boulder rolling down a hill
  • A roller coaster moving at the bottom of a hill
  • Potential Energy
  • Kinetic Energy
Question 3
3.

There are two boxes on a bookshelf that have the same mass. Box A is on the top shelf, and Box B is on the bottom shelf. Which box has MORE potential energy?

Question 4
4.

A baseball player has two bats in his baseball bag. Bat A has a mass of 2kg and Bat B has a mass of 2.5kg. Which bat has a greater kinetic energy when it's swung?