(b) A person of mass 50 kg climbs a tower of height 72 metres. Calculate the work done.
(g = 9.8 m S–²
Answers
Answered by
2
Answer:
Work Done. While climbing the tower, work done is against the gravity. Thus, work done equals to the potential energy. Work done = 35280 J
Answered by
1
Answer:
35,280J
Step-by-step explanation:
Given,
Mass,m=50kg
Height,h=72m
g=9.8m/s²
Work done,W=?
W=force*displacement
force,f =mass*acceleration
=50kg*9.8m/s²
=490kgm/s²
therefore, w = 490kgm/s²*72m
=35,280J
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