As shown below, a rock rests on a platform and is connected to a pickup by a cable. The pickup has a constant forward acceleration. The rock, B, weighs 1000 lb and the platform, A, weighs 200 Ib. Which of the following is a true statement? B O The cable tension is 200 lb. O The cable tension is 1200 lb. O The cable tension is more than 1200 lb. O The cable tension is less than 1200 lb.

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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.