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The force exerted by the lift on the foo...

The force exerted by the lift on the foot of a person standing in it, is more then his weight then the lift is-
(a) going up and slowing down , (b) going up and speeding up
(c ) going down and slowing down , (d) going down and speeding up

A

a,c

B

b,c

C

a,d

D

b,d

Text Solution

Verified by Experts

in upward acceleration or downward deceleration
N=mg +ma
Ngt mg
in downward acceleration or upward deceleration
N=mg =ma
Nlt mg
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