Physics

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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