User Forum

Subject :NSO    Class : Class 9

The diagram shows a wooden block of mass 10 kg pushed up a rough inclined plane at a constant speed by a force of 50 N. When the block travels from X to Y, it reaches a height of 5 m and travels a distance of 13 m along the plane, then what is the work done against friction?


A650 J
B600 J
C250 J
D150 J


Post Your Answer