Question

A body of mass 60 kg is pulled with 20 n force to a distance of 8m in10m/s .Calculate the work done and power ?

Answer 1

I think this is what need

Answer 2

Given :

Mass of object , m = 60 kg .

Force , F = 20 N .

Distance travelled , d = 8 m .

Velocity of body , v = 10 m/s .

To Find :

The work done and power .

Solution :

We know , work done is given by :

$W = F. d = 20\times 8=160\ J$

Also , power is given by  :

$P=F.v=20\times 10=200\ W$

Hence , this is the required solution .

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Work , power and energy

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