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Question
A box follows a zig-zag path to reach from point A to B, whose length is 5 m and the shortest distance between the end points is 2 m. If a force of 5 N acts on the box then the work done on the box by the force is 25 J.
A box follows a zig-zag path to reach from point A to B, whose length is 5 m and the shortest distance between the end points is 2 m. If a force of 5 N acts on the box then the work done on the box by the force is 25 J.
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Solution
The correct option is B False
Work done = Force x displacement
Work is the product of the force acting on the body and its displacement in the direction of force.
Here displacement is 2 m as it is the shortest distance between the two points.
Hence work done by the force = 5 x 2 = 10 J (not 25 J).
False
Work done = Force x displacement
Work is the product of the force acting on the body and its displacement in the direction of force.
Here displacement is 2 m as it is the shortest distance between the two points.
Hence work done by the force = 5 x 2 = 10 J (not 25 J).
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