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    Newton's laws of motion.

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    Need help with the equation/solution to this problem.

    An individual weighing 600 N stands still with her hips flexed. Her hip extensor muscles are contracting with a force of 3000 N, and her ankle plantarflexor muscles with a force of 3200 N. What is the magnitude of the ground reaction force acting on her?

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    https://brainmass.com/physics/newtons-second-law/newtons-laws-motion-bio-mechanics-224600

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    As the individual stands still means no acceleration, hence according to Newton's law of ...

    Solution Summary

    The conceptual question about force is explained and answered.

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