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The manual acts as a verification tool. After a student attempts a problem, consulting the manual helps verify their logic. If the answer is incorrect, the manual helps identify exactly where the error occurred—whether in the free-body diagram construction, the application of the formula, or the final calculation. Online Libraries and Bookstores:
Problem (from Chapter 8 – Friction, unsolved):
A conical pivot bearing supports a vertical shaft of 200 mm diameter. The cone angle is 120°. The coefficient of friction is 0.03. If the shaft rotates at 500 rpm and the axial load is 15 kN, find the power lost in friction. Assume uniform pressure. Educational Platforms:
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