Question

A pair of bullocks exerts a force of 70 N on a plough. The field being ploughed id 18
m long. How much work is done in ploughing the field?
(a) 1262
(b) 630 j
1 1 260
(d) 6300​

Answer 1

Explanation:

Given; F = 70 N and s = 18 m

W=F  x s

=70N × 18m

=2160N/m

=1260 joules

Answer 2

Explanation:

Answer

Given that,

Force applied on the plough , F=70 N

Displacement of the plough , S=18m

∴ Work done , W=F⋅S=140×15=1260J

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