A woman is holding a 5.0 kg suitcase at arm's length, a distance of 0.4 m from her shoulder. What is the torque on the shoulder joint if her arm is horizontal?

Question

Quizplus · Accepted Answer

Torque is calculated as the product of force and the perpendicular distance from the pivot point. The force is the weight of the suitcase (mass x gravity = 5.0 kg x 9.8 m/s² = 49 N), and the distance is 0.4 m. Thus, torque = 49 N x 0.4 m = 19.6 N m.

A Woman Is Holding a 5