34th floor

An 80 kg man is riding in an elevator from the first floor to the 34th floor. The elevator and man are moving at a constant speed. What is the net force on the man in Newtons .

Details and assumptions

  • The acceleration of gravity is 9.8 m/s 2 -9.8\text{ m/s}^2 .
  • You may neglect air resistance.

The answer is 0.

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1 solution

David Mattingly Staff
May 13, 2014

The net force is zero - the man is not accelerating as the elevator is moving at a constant speed.

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