Question: Problem 5 An athlete performs a leg extension exercise on a machine. The free body diagram of his lower leg and foot is shown below.

Problem 5
An athlete performs a leg extension exercise on a machine. The free body diagram of his lower leg and foot is shown below. Knowing that,
M : mass of the lifted weight =20kg
m : mass of both lower leg and foot =5kg
Estimate the force (F) in the patella tendon.
Problem 5 An athlete performs a leg extension

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