An 80 kg man stands in an elevator. What force does the floor of the elevator exert on the man if
a) the elevator is stationary?
b) the elevator accelerates upward at 2 m/s2?
c) the elevator rises with constant velocity 4 m/s?
d) while rising, the elevator decelerates at 1.5 m/s2?
e) the elevator descends with constant velocity 7 m/s?
Please help ASAP!! Step by step along with the equations to use

  1. 👍
  2. 👎
  3. 👁
  1. F-mg = m a

    a) mg
    b) m(g+2)
    c) mg
    d) m(g-1.5)
    e) mg

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