Question

A boy is trying to push the concrete pillar of a building using a force of 300 N calculate the amount of work fone by the boy

Answer 1

Answer:

Work done = F × S

=300×S

=300S

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Answer 2

The amount of work done by the boy is zero.

Explanation:

Given that,

Force = 300 N

We need to calculate the work done by the boy

Using formula of work done

$W = F\cdot d$

Where, F = force

d = displacement

Concrete pillar is very heavy and fix, so boy can not displace.

Thus, displacement is zero.

So, $W = 300\times 0$

$W = 0$

Hence, The amount of work done by the boy is zero.

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Topic : work done

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