How much work would it take to push a 5 kg weight up a 2 m plane that is at an incline of pi / 3 ?

1 Answer
Aug 10, 2018

I got: 85J

Explanation:

Consider the diagram:
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the work done W will be done against gravity to lift the weight at a height h=2sin(pi/3), so we get that:

W=mg*h=(5*9.8)*[2sin(pi/3)]=84.87~~85J