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 2.75 cm , what is the torque that the muscle produces on the wrist

1.36Nm

Explanation:

Torque is the product of force and distance from the axis of rotation. It's standard unit is Newton-metre (NM).

To obtain the torque the muscle produces on the wrist:

Convert distance 2.75cm to metres

if 100cm = 1 metre

2.75cm = ?

so, 2.75/100 = 0.0275m

Recall that Torque = Force X distance from axis of rotation

= 49.5N X 0.0275m

= 1.36 Nm

Thus, the torque that the muscle produces on the wrist is 1.36 Newton - metre

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Explanation:

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