The work done to move a barrel containing water of mass 100 kgs through a distance of 100 m (in J) is??
[need correct answer].
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Answered by
16
Mass=100kg
Height=100
g=9.8m/s2
Work done = potential energy
PE=mgh
=100×9.8×100
=98,000
Answered by
3
Frictional force acting on it , =μm g=0.4×100×9.8=392 N
Given , Mass ,m=100 kg
Distance ,s=10 m
Work done , W=μmgs=392×1=3920 J
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