*16-8. If gear A rotates with an angular velocity of wa = (0a + 1) rad/s, where 04 is the angular displacement of gear A, measured in radians, determine the angular acceleration of gear D when 0, = 3 rad, starting from rest. Gears A, B, C, and D have radii of 15 mm, 50 mm, 25 mm, WA %3D and 75 mm, respectively. 0

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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.