Four bar mechanism PQRS with link PS fixed. The length of the links are PQ = 4cm, QR = 9cm,  RS = 5.5cm and PS = 10cm. The crank PQ rotates at 10 rad/s clockwise. Please use the diagram below.   A. Draw the velocity and acceleration diagram when angle QPS = 330 degrees B. Find the angular velocity of the links QR and RS. C. Find the angular acceleration of the links QR and RS

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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.