Question

A man of mass 80 kg stands on a weighing scale in a lift which is moving

(a) upward with a uniform acceleration of 6 m/s2

.

(b) downward with a constant acceleration of 4 m/s2​

Answer 1

Answer:

upward with a uniform acceleration of 6m/s2

Answer 2

W = ma

a) w=80×6=480N

b) w=80×4=320N

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