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# PQRS is a four bar chain with link PS fixed. The lengths of the links are PQ = 62.5 mm ; QR = 175 mm ; RS = 112.5 mm ; and PS = 200 mm. The crank PQ rotates at ω rad/s clockwise. Draw the velocity and

PQRS is a four bar chain with link PS fixed. The lengths of the links are PQ = 62.5 mm ; QR = 175 mm ; RS = 112.5 mm ; and PS = 200 mm. The crank PQ rotates at ω rad/s clockwise. Draw the velocity and acceleration diagram when angle QPS = α and Q and R lie on the same side of PS.ω=49, α=49.