Physics, 04.02.2020 01:59, chayaharroch03

Abox of weight w=2.0n accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the horizontal, as shown (figure 6). the normal force acting on the box has a magnitude n=1.7n, the coefficient of kinetic friction between the box and the plane is μk=0.30, and the displacement d⃗ of the box is 1.8 m down the inclined plane. what is the work ww done on the box by the weight of the box?

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Abox of weight w=2.0n accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the ho...