1. Locate the centroid of the following figures. a) b) 90 4 in mm 3 in 120 mm 2 in 2 in 2 in A = A1 - A2 Ax = A1 x1 - A2 x2 А у3DA1 y1 - А2 y2 A = A1 - A2 Ах%3DA1 x1- А2 х2 Ay = A1 y1 - A2 y2

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A: Given:  TC=-5

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Q: SHAFT KEY

A:

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A: Option d is correct.

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Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.