All Statics Solutions

# All Statics Solutions - Certain tropical fish have very...

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Certain tropical fish have very rigid bodies and swim by waving their tailfins back and forth. These fish can be modeled as a stiff body and a stiff tail connected by a pin joint. Assume that the force of the water pushing on the tail is evenly distributed across the surface area of the tailfin, as shown, with a value of 1 N/cm 2 . The shape of the tailfin is approximated by the function given below. What is the net moment generated about point A by the force of the water on the tailfin? A Dorsal (Top) View 5 cm A y x y = -x 2 5 + 2x Lateral (Side) View Model of Tailfin shape 10 cm

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You are an Olympic trainer for the rowing team. Helga sits on a rowing machine as shown on the right. She sits on a rolling seat, and her feet push against the inclined footrests. Just before she starts moving, she can exert a maximum tension of T = 600 N in the rope. She wants to increase her maximum tension by 10%. You determine that her triceps and quadriceps are weak and send for a biomechanics report (below). Determine how much she needs to strengthen her triceps and quadriceps muscles to achieve her goal.

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## This note was uploaded on 02/08/2011 for the course BMED 3400 taught by Professor Staff during the Spring '08 term at Georgia Institute of Technology.

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All Statics Solutions - Certain tropical fish have very...

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