Answer to Question #107453 in Biology for Nisha S.

Question #107453

if the perpendicular distance between the man's quadriceps tendon and his knee joint center of rotation remained the same (5cm), how much force would his quadriceps muscle have had to produce at this point?"

Expert's answer

D=5cm

"F=(mg)*4"

If it lifts a mass of 10kgs

F=10*10*4=400N

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