Blocks A and B weighs 1800 N and 900 N respectively. Coefficient of friction under each block is 0.20. Assuming the pulley to be weightless and frictionless. a. What is the acceleration of the system when it moves from rest? b. What is the tension in the chord?

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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.