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An object of mass 6 kg is moved with uniform speed of 8 m/s for 8 sec on a surface. Coefficient of friction between the body and the surface is 0.6, work done for the given motion of the body is : (take g = 10 m/s2)

a
2212 J
b
2304 J
c
1192 J
d
3222 J

detailed solution

Correct option is B

Work done = (μmg)d (0.6) (6) ( 10) (8 x 8) = 2304 J

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