Engineering Science 1022A/B/Y Lecture Notes - Lecture 19: Simple Machine
1 Jan 2019
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A flat belt passing over a fixed curved surface with the total angle of contact equal to radians will slip towards the larger tension and the friction forces will act in the oppose direction to oppose motion. : opposes the direction of motion of the belt: : acts in the direction of belt motion, : coefficient of friction between the belt and surface of contact, : angle of belt-to-suface contact. Wedge: simple machine for transforming a small applied force into a much larger force. Also be used to give small displacements or adjustments to heavy loads.
