Question

A man of mass 80 kg in a lift is moving upwards with a
velocity of 8 m/s and is brought rest over a distance of 20 m.
Find the force exerted on the man by the floor of elevator. (g=10 m/s²)
A.) 576 N
B.) 656 N
С.) 840 N
D.) 672 N.​

Answer 1

Answer:

force is 840 N

Explanation:

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