Laws of MotionHard
Question
The force exerted by the floor of an elevator on the foot of a person standing there is less than the weight of the person if the elevator is
Options
A.going up and slowing down
B.going up and speeding up
C.going down and slowing down
D.going down and speed up
Solution
If n < mg then N = m (g - a) ⇒ elevator is going down with acceleration or elevator is going up with retardation.
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