A block of mass 5 kg slides down a rough inclined surface. The angle of inclination is 
. The coefficient of sliding friction is 0.20. When the block slides 10 cm, the work done on the block by force of friction is
A
B
1 J
C
D
-1 J
Text Solution
Verified by ExpertsThe correct answer is:
A
Work done by frictional force, 
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