Question

300 joule of work is done in sliding a 2kg block up an inclined plane of height 10m. the work done against friction is

Answer 1

100 J

Net work done in sliding a body up to a height h on inclined plane

= Work done against gravitational force + Work done against frictional force

pls see the pic..though its quite dark..u can still understand it

Answer 2

Answer:

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