Formula for work done if force and displacement are known is

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W = fd

W = fa

W = ma

W = mv

answer is A.

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Detailed Solution

Formula for work done if force and displacement are known is

W = fd .

Where,

f = force

d = displacement

Work done is the product of applied force and displacement in the direction of force. Mathematically, the theory of work done W equals the force “ f ” multiplied by the distance “d”, that is

W = f . d

and if the force is applied at an angle θ to the movement, then work done is calculated as

W = f . d cos θ .

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