5.3 Performance Matters Force, Energy, Motion Review

A student throws a ball. Which best describes the moving ball?

• The ball has no energy.

  
  

• The ball has kinetic energy.

  
  

• The ball has potential energy.

  
  

• The ball is transferring around light energy to the air.

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This is an example of ___________

• potential energy

• kinetic energy

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Which of the following would NOT be an example of potential energy?

• A skier at the top of a ski slope

  
  

• A ball rolling down a hill

• A child at the top of a slide

  
  

• A kitten getting ready to jump out of a tree

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This is an example of ____________

• potential energy

• kinetic energy

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How is the motion of an object changed?

• by force

  
  

• by time

  
  

• by speed

  
  

• by direction

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The two moving boats are photographed from above at 3:00 p.m. and 3:15 p.m.  Which statement correctly compares their movement?

• They are traveling in opposite directions at equal speeds.

  
  

• They are traveling in the same direction at equal speeds.

  
  

• They are traveling in the same direction, and boat 2 has a greater speed.

  
  

• They are traveling in opposite directions, and boat 2 has a slower speed.

  
  

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This is an example of _____________

• potential energy

• kinetic energy

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The speed of the object in the graph is

• increasing

• decreasing

  
  

• unable to be determined

  
  

• remaining constant

  
  

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Which statements are true about the bookcases shown in the pictures? Select all correct answers.

• Bookcase 2 has a greater mass than bookcase 1.

  
  

• Bookcase 1 has a greater mass than bookcase 2.

  
  

• More force is probably being applied to bookcase 2.

  
  

• Both bookcases have kinetic energy while being pushed.

  
  

• If given the same amount of force, bookcase 1 will move farther than bookcase 2.

  
  

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A student is preparing a toy car for a derby race. Position 1 shows the starting point. When the car is released, it travels down the track. At Position 4, the car collides with a wooden block and pushes the block along the track. Select all of the changes a student could make to cause the block to move farther down the track

• Removing weight from the toy car

  
  

• Adding weight to the toy car

  
  

• Increasing the height of the ramp

  
  

• Decreasing the height of the ramp

  
  

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