Question

A 70 kg man stands in an elevator that has a downward acceleration of 2.4 m/s2. Calculate the force exerted by him on the floor

Answer 1

A 70 kg man stands in an elevator that has a downward acceleration of 2.4 m/s2. Calculate the force exerted by him on the floor

The correct answer: F= 518N

:The explanation

F= m×(g-a) = 70 ×(9.80-2.4)= 518 N