The figure shows the finishing position of a body builder's arm who is performing a standing lateral raise with a 5.00-kg dumbbell. This is an excellent exercise that isolates the lateral deltoid muscle. The weight of the arm itself is 42.5 N, and it acts at point A in the figure. Given the information shown, and the fact that = 9.74°, (a) find the magnitude of the tension force in the deltoid (F) and (b) the normal force from the shoulder joint (acting on the humerus bone that holds the arm in this equilibrium position. (a) Number i (b) Number i 0.075 m Oe F, 0.250 m Units Units 0.510 m arm <> <> 5 kg

The figure shows the finishing position of a body builder's arm who is performing a standing lateral raise with a 5.00-kg dumbbell. This is an excellent exercise that isolates the lateral deltoid muscle. The weight of the arm itself is 42.5 N, and it acts at point A in the figure. Given the information shown, and the fact that = 9.74°, (a) find the magnitude of the tension force in the deltoid (F) and (b) the normal force from the shoulder joint (acting on the humerus bone that holds the arm in this equilibrium position. (a) Number i (b) Number i 0.075 m Oe F, 0.250 m Units Units 0.510 m arm <> <> 5 kg

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.60P: The force P applied to the brake handle enables the band brake to reduce the angular speed of a...

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