Question

(b) A person of mass 50 kg climbs a tower of height 72 metres. Calculate the work done
(g = 9.8 ms-2?)
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Answer 1

Answer:

work=mgh

w=50*72*10

=3600joule

Answer 2

❤Answer

Work done = Force × displacement.

Since, Force = Mass × Acceleration

Force = 50 kg = 9.8 m/s^2

Force = 490 N

Displacement = 72 m

So, Work done = 490 N × 72 m

= 35280 J

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