Example 11.2-
A porter lifts a luggage of 15
kg from the ground and puts it on his head 1.5 m above the ground. Calculate the work done by him on the luggage.
Answers
Answered by
16
Answer:
Mass = 15 kg
Height = 1.5 kg
Work done here is the potential energy = mgh
= 15 × 10m/sec2 × 1.5 m
= 225 joules.
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aishuswathi1831:
how do we know "g"
Answered by
6
Answer:
Given data,
M=15kg
g=9.8m/s2
h=1.5m
work done by porter on luggage = force * displacement
=mgh
=15×9.8×1.5
=220.5J
Explanation:
matk as brainliest pls
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