Question

A pair of bullocks exerts a force
of 140 N on a plough. The field
being ploughed is 15 m long.
How much work is done in
ploughing the length of the field?​

Answer 1

Answer:

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Step-by-step explanation:

Given that,

Force applied on the plough , F=140 N

Displacement of the plough , S=15 m

∴ Work done , W=F⋅S=140×15=2100 J

Answer 2

Answer:

The field being ploughed is 15 m long. How much work is done in ploughing the length of the field? = 2100 J.

explanation :

We have,

Force exerted, F = 140 N

Displacement, s = 15 m

Therefore,

Work done, W = Fs

= 140 N x 15 m

= 2100 J.