- #1
moimoi24
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Homework Statement
A box of weight 200N is pushed so that it moves at a steady speed alog a ramp, through a height of 1.5m. The ramp makes an angle of 30° with the ground. The frictional force on the box is 150N while the box is moving. What is the work doe by the person?
Homework Equations
none
The Attempt at a Solution
please explain this one.. thanks...