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Home» class 9»Science» Chapter 10: Work and Energy

A pair of bullocks exerts a force of 140 N on a plough. The fi... - Science

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

Given:
Force (F) = 140\text{ N}
Displacement (s) = 15\text{ m}

Formula:
Work Done (W) = F \times s

Calculation:

W = 140 \times 15
W = 2100\text{ J}

Answer:
The work done in ploughing the length of the field is 2100\text{ J}.