If 50kg gate is pushed through 2m across the floor with a force of 50 newton then the work done will be???
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Answer:
We know frictional force f=μN where N=normal force=mg
Given sliding frictionμ=0.25
Thus, f=0.25×50×10=125N
Hence F
net
=F
app
−f=575−125=450N
Also we know ForceF=ma
a=
50
450
=9m/s
2
Explanation:
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