Change in Momentum and Impulse

AP Physics 1· difficulty 2/5

Catching an egg by drawing your hands back as it arrives reduces the chance of breaking the shell because

  • A

    It reduces the egg's momentum change.

  • B

    It changes the egg's mass.

  • C

    It increases the contact time, reducing the average force.

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  • D

    It reduces the impulse on the egg.

Explanation

Momentum change is fixed (egg's velocity must go to zero). Longer catch time means smaller force.

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