300 Joule of work is done in sliding up a 2 kg block on an inclined pl – McqOptions

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1.	300 Joule of work is done in sliding up a 2 kg block on an inclined plane to a height of 10 metres. Taking value of acceleration due to gravity ?g? to be 10 m/s2, work done against friction is [MP PMT 2002]
A.	100 J
B.	200 J
C.	300 J
D.	Zero
Answer» B. 200 J

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