A person places his hand palm downward on a scale and pushes down on the scale until it reads 96.0 N. The triceps muscle is responsible for this arm extension force. Find the force exerted by the triceps muscle. The bottom of the triceps muscle is 2.50 cm to the left of the elbow joint, and the palm is pushing at approximately 29.0 cm to the right of the elbow joint.

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Chapter12: Static Equilibrium And Elasticity
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A person places his hand palm downward
on a scale and pushes down on the scale
until it reads 96.0 N. The triceps muscle is
responsible for this arm extension force.
Find the force exerted by the triceps
muscle. The bottom of the triceps muscle
is 2.50 cm to the left of the elbow joint,
and the palm is pushing at approximately
29.0 cm to the right of the elbow joint.
P
96.0 N
2.50 cm and Q = 29.0 cm.
where P =
Transcribed Image Text:A person places his hand palm downward on a scale and pushes down on the scale until it reads 96.0 N. The triceps muscle is responsible for this arm extension force. Find the force exerted by the triceps muscle. The bottom of the triceps muscle is 2.50 cm to the left of the elbow joint, and the palm is pushing at approximately 29.0 cm to the right of the elbow joint. P 96.0 N 2.50 cm and Q = 29.0 cm. where P =
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