A body of 20 kg is lying at rest. Under the action of a constant forc – McqOptions

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1.	A body of 20 kg is lying at rest. Under the action of a constant force, it gains a speed of 7 m/s. The work done by the force will be _______.
A.	490J
B.	500J
C.	390J
D.	430J
Answer» B. 500J

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