Two identical 10-kg spheres are attached to the light rigid rod, which rotates in the horizontal plane centered at pin O. If the spheres are subjected to tangential forces of P = 10 N, and the rod is subjected to a couple moment M = (8t) * N * m , where t is in seconds, determine the speed of the spheres at the instant t = 4s . The system starts from rest. Neglect the size of the spheres. P = 10N 0.5 m M = (8t) * N * m 0.5 m P = 10N

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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.