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Changing momentum

The starter and exit quiz of the lesson “Changing momentum”, from the unit “Forces make things change” (Year 11 Science) by Oak National Academy.

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Oak National Academy

12 questions

  1. Which of the following is the product of the mass and velocity (mass × velocity) of an object?
  2. Which of the following is the correct unit of momentum?
  3. According to the principle of conservation of momentum, which of the following statements is correct?
  4. Starting with the greatest momentum, sort the following objects into order of decreasing momentum.
  5. A bicycle and rider have a combined mass of 100 kg.Calculate their acceleration when a resultant force of 250 N acts on them.
  6. A van of mass 2000 kg accelerates in a straight line from 5.0 m/s to 8.0 m/s.Calculate the increase in momentum for the van. You do not need to give the unit.
  7. Match the following key terms to their definition.
  8. A bus of mass 4000 kg accelerates from 2.0 m/s to 4.5 m/s. Calculate the change in momentum of the bus.
  9. A ball of mass 0.40 kg hits a wall at a velocity of 3.0 m/s. It bounces off in the opposite direction at 2.5 m/s.Calculate the change in momentum for the ball.
  10. Which of the following is equal to the rate of change of momentum of an object?
  11. A pickup truck of mass 2000 kg is travelling at 12 m/s. It slows to 4 m/s in a time of 5 s.Calculate the size of the force needed to do this.
  12. A ball with mass 0.30 kg and speed 5.0 m/s hits a wall and bounces back, at the same speed, in the opposite direction. The impact lasts for 0.10 s.Calculate the size of the force during the impact.

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Changing momentum · Examplary