Problem 2 - The shaft OBCD is acted upon by 2 forces T = 50 lbs., and F= 200 lbs., as shown. Find: a) The moment (vector [rectangular components], magnitude, and direction) about point A of the 2 forces. b) The moment (vector [rectangular components], magnitude, and direction) about line CA caused by the force F acting at D. c) Shortest distance between point A and the line of action of the force F.

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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.