Problem: Andy is standing on the ground and the ground reaction force is 78 N in the x direction and 609 N in the y direction. The point of application of the ground reaction force is located 0.031 m to right and 1.001 m below his hip joint center.
A- Estimate the torque produced by muscles that span his hip joint?
I need expert help to solve the above problem and neglecting the segmental mass terms.