A box of mass 50kg at rest is pulled up on an inclined plane 12m long and 2m high by a constant force of 100N. When it reaches the top of the inclined plane if its velocity is 2ms^(-1) , the work done against friction in Joules is (g = 10ms^(-2))

A box of mass 50kg at rest is pulled up on an inclined plane 12m long

1.	A box of mass 50kg at rest is pulled up on an inclined plane 12m long and 2m high by a constant force of 100N. When it reaches the top of the inclined plane if its velocity is 2ms^(-1) , the work done against friction in Joules is (g = 10ms^(-2))
Answer» <html><body><p>50<br/>100<br/>150<br/>200</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a></body></html>