A cook holds a 2.59-kg carton of milk at arm's length (see the figure below). Wh

Physics
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A cook holds a 2.59-kg carton of milk at arm's length (see the figure below). What force B must be exerted by the biceps muscle? (Ignore the weight of the forearm. State the magnitude of the force B.)
 N
Jun 10th, 2015

Thank you for the opportunity to help you with your question!

Ok, so Torque of arm = Torque of ball? r*F = r*F (0.0226)*F = (0.3054)(9.8)(2.49kg) F = 7.45N ?

Reference https://www.physicsforums.com/threads/force-a-bicep-must-exert-to-hold-a-540-0g-ball-with-the-forerm-parallel-to-the-floor.439168/

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 10th, 2015

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