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Work required to pull a dynamics cart up a frictionless incline

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Explain why the work required to pull a dynamics cart up an incline, in the absence of friction, should be the same as the work required to lift the cart vertically through the vertical displacement it experiences in the process.

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Solution Summary

This solution helps calculate work required to pull a dynamics cart up a frictionless incline.

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When the body is being lifted vertically up, we need to do work against gravity. This work is given by

W = mgh, where h is the vertical height it is ...

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