Question

Ram is trying to push a mass 50 kg across a floor.

He exerts a force of 70 N and a constant resistive force of 50 N is acting,
calculate:
a) the acceleration of the load b) the coefficient of friction,

between the load and the ground, assume that the resistive force is due

only to friction​

Answer 1

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

Answer 2

Answer:

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Explanation:

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