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## Homework Statement

A small mass m is pulled over the top of a frictionless half cylinder of radius R by a massless cord passing over the top. Without using the conservation of energy, find the work done in moving the mass from the bottom to the top of the cylinder at a constant speed, in terms of m, g, and R.

## Homework Equations

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## The Attempt at a Solution

Really not sure how to approach this... Can I somehow set up an integral?