A person lifts a parcel from the ground and puts it on a truck. Mass of parcel is 20 kg and
height of truck is 1.5 m. Now find the following.
Parcel
20 Kg
1.5 m
20 Kg
1. The minimum force required to move the parcel up.
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Answer:
ANSWER
M = 20 kg
h = 1 m
Work done against gravitational force,
W = mgh
= 20 x 9.8 x 1
= 196 J
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