A person is holding a mass of 13 kg in their hand in equilibrium. One can picture this as the forearm being a thin uniform rod with a mass of 2.5 kg and length of 36 cenitimeters (the hand is at the end of the rod). The bicep exerts a force on the forearm at an angle of say 60 degrees exerted on a point 7 centimeters from the elbow. There are also forces on the elbow itself (in the x and y direction). What is the magnitude of the total force exerted on the elbow in Newtons? 600
A person is holding a mass of 13 kg in their hand in equilibrium. One can picture this as the forearm being a thin uniform rod with a mass of 2.5 kg and length of 36 cenitimeters (the hand is at the end of the rod). The bicep exerts a force on the forearm at an angle of say 60 degrees exerted on a point 7 centimeters from the elbow. There are also forces on the elbow itself (in the x and y direction). What is the magnitude of the total force exerted on the elbow in Newtons? 600
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Transcribed Image Text:A person is holding a mass of 13 kg in their
hand in equilibrium. One can picture this as
the forearm being a thin uniform rod with a
mass of 2.5 kg and length of 36 cenitimeters
(the hand is at the end of the rod). The bicep
exerts a force on the forearm at an angle of
say 60 degrees exerted on a point 7
centimeters from the elbow. There are also
forces on the elbow itself (in the x and y
direction). What is the magnitude of the
total force exerted on the elbow in
Newtons?
600
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