The side rod of the engine in the figure is 8ft long and weighs 100lb. the cranks AD and BC are of length r = 18in. and rotate at 300 rpm. Determine the maximum bending moment M in the rod if M = wL/8, where w is the total distributed load and L is the length of the rod. answer: M = 100 lb-ft

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Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.