Jilly5657 Jilly5657
  • 24-11-2022
  • Physics
contestada

Approximately what magnitude force, fm, must the extensor muscle in the upper arm exert on the lower arm to hold a 7. 3 kg shot put? assume the lower arm has a mass of 2. 3 kg and its cg is 12 cm from the elbow-joint pivot.

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