if you are thinking about that though the body travels a more than h on inclined plane , yet potential energy gained is mgh....
the force on the body is mgsin (along the slope...i.e. in the direction of displacement) ...the distance travelled is h/sin..(from the right angled triangle). potential energy gained is mgh....
Moderation Team
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(along the slope...i.e. in the direction of displacement) ...the distance travelled is h/sin
