Forces and Free-Body Diagrams

AP Physics 1· difficulty 2/5

N W

The diagram shows the FBD of a person on a scale in an elevator. If the elevator accelerates <strong>upward</strong>, then

  • A

    N>WN > W

    check_circle
  • B

    N=0N = 0

  • C

    N<WN < W

  • D

    N=WN = W

Explanation

NW=maN - W = m a. Upward a>0a > 0N>WN > W.

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