The spring-held follower AB has a mass of 0.5 kg and moves back and forth as its end rolls on the contoured surface of the cam, where r = 0.15 m and z = (0.02 cos 2θ) m. If the cam is rotating at a constant rate of 30 rad/s, determine the force component Fz at the end A of the follower when θ = 30°. The spring is uncompressed when θ = 90°. Neglect friction at the bearing

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.