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A box of mass 25 kg starts from rest and...

A box of mass 25 kg starts from rest and slides down an inclined plane 8 meter long and 5 meter high. It is found to move at the bottom at 7 m/s. What is the force of friction

A

79.6 N

B

96.6 N

C

76.6 N

D

116.6 N

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The correct Answer is:
C
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