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Energy and Momentum Questions - All Grades

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Grade 8 Energy and Momentum
As a pendulum swings back and forth,
  1. potential energy is transformed into kinetic energy.
  2. kinetic energy is transformed into potential energy.
  3. at the lowest part of its swing, its energy is all kinetic.
  4. at the end points of its swing, its energy is all potential.
  5. all of the above.
Grade 7 Energy and Momentum
When energy changes from one form to another it is called                               .
  1. energy transformation
  2. energy shifting
  3. electromagnetic transformation
  4. Law of Conservation of Energy
Grade 11 Energy and Momentum
Power is defined as                                                .
  1. the something that enables an object to do work
  2. how much force an object has
  3. the rate at which work is done
  4. energy due to the position of something
Grade 8 Energy and Momentum
Kinetic energy of an object is equal to what?
  1. one half the product of its mass and speed squared.
  2. one half the product of its mass and its speed.
  3. its mass multiplied by its speed.
Grade 8 Energy and Momentum
Grade 8 Energy and Momentum
Why is it more efficient to move a box up a ramp on wheels than sliding it?
  1. The wheels reduce the pull of gravity.
  2. Rolling friction is weaker than sliding friction, so you lose less work.
  3. Wheels increase the normal force on a box.
  4. None of the above
Grade 5 Energy and Momentum
Grade 10 Energy and Momentum
Grade 8 Energy and Momentum
Which of the following best describes the concept of work?
  1. a force applied to an object
  2. a force moves an object through a distance
  3. the transformation of energy
  4. the rate at which energy is transformed
Grade 8 Energy and Momentum
Grade 10 Energy and Momentum
What is the main difference between kinetic energy and potential energy?
  1. Although both energies involve motion, only kinetic involves position.
  2. Kinetic energy involves position and potential energy involves motion.
  3. Although both energies involve position, only potential involves motion.
  4. Kinetic energy involves motion and potential energy involves position.
Grade 8 Energy and Momentum
Which statement correctly compares the potential energy of the balls?
Potential Energy
  1. C has more potential energy than B.
  2. E has more potential energy than F.
  3. D has less potential energy than E.
  4. B has less potential energy than A.
Grade 8 Energy and Momentum
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