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An initially stationary 15.0 kg crate is pulled, via a cable, a distance d = 5.70 m up a frictionless ramp to a height h

An initially stationary 15.0 kg crate is pulled, via a cable, a distance d = 5.70 m up a frictionless ramp to a height h of 2.50 m, where it stops as the figure shows.

a) How much work W is done on the crate by the gravitational force F during the lift?

b) How much work W, is done on the crate by the force T from the cable during the lift?

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