When the palmaris longus muscle in the forearm is flexed, the wrist moves back and forth. If the muscle generates a force of 49.5 N and it i

Question

When the palmaris longus muscle in the forearm is flexed, the wrist moves back and forth. If the muscle generates a force of 49.5 N and it is acting with an effective lever arm of 2.65 cm , what is the torque that the muscle produces on the wrist

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Thiên Hương 5 months 2021-08-24T04:16:01+00:00 1 Answers 0 views 0

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    2021-08-24T04:17:40+00:00

    Answer:

    1.1397 Nm

    Explanation:

    When the palmaris longus muscle in the forearm is flexed, the wrist moves back and forth.

    If the muscle generates a force

    F =  49.5 N and r = 2.65 cm , then the torque is equal to rF

    we see that r = 2.65 cm = 0.0265 m

    therefore

    torque = 0.0265 x 49.5

    = 1.1397 Nm

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