Question
An 7.5 kg crate is pulled 5.5 m up a 30∘ incline by a rope angled...
An 7.5 kg crate is pulled 5.5 m up a 30∘ incline by a rope angled 19 ∘ above the incline. The tension in the rope is 120 N and the crate's coefficient of kinetic friction on the incline is 0.26.
How much work is done by tension, by gravity, and by the normal force?
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