A porter lifts a luggage of 15 kg from the ground an puts it on his head 1.5 m above the ground. Calculate the work done by him on the luggage.

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Solution

Given that:
m=15kg
s=1.5m
Work done is given by
W = F Ã— s = mg Ã— s
= 15 kg Ã— 10 m s^-2 Ã— 1.5 m
= 225 J

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A porter lifts a luggage of 15 kg from the ground an puts it on his head 1.5 m above the ground. Calculate the work done by him on the luggage.

Given that:m=15kgs=1.5mWork done is given byW = F Ã— s = mg Ã— s= 15 kg Ã— 10 m s-2 Ã— 1.5 m= 225 J

Given that:
m=15kg
s=1.5m
Work done is given by
W = F Ã— s = mg Ã— s
= 15 kg Ã— 10 m s^-2 Ã— 1.5 m
= 225 J