a pair of bullocks exerts force of 140 Neach. the field is 15 m long. how much the work is done to plough the field.
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Answer: 2100 J
Explanation: Work is said to be done when a force applied to an object moves that object.
The SI unit of work is the joule (J), which is defined as the work done by a force of 1 Newton in moving an object through a distance of 1 meter in the direction of the force.
Work done = Force× Displacement
W= F × d
Where,
Applied force (F) = 140 N
Displacement (d) = 15 m
W= 140 × 15
W = 2100 J
Hence, 2100 J of work is done in ploughing the length of the field.
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