A bodybuilder holds a dumbbell of weight Wd. His arm is horizontal and weighs 47 N. The deltoid muscle is assumed to be the only muscle acting and is attached to the arm as shown. The maximum force M that the deltoid muscle can supply has a magnitude of 2481 N. The distances that locate where the various forces act on the arm. What is the weight of the heaviest dumbbell that can be held by the bodybuilder? Note: Express your answer in whole numbers. No unit is required for the final answer. M D.. r13.0 +y 0.150 m 0.280 m +T 0.620 m (b) Free-body diagram of the arm M Deltoid Dumbbell -13.0 muscle Axis Wa Shoulder joint (a) (c)

A bodybuilder holds a dumbbell of weight Wd. His arm is horizontal and weighs 47 N. The deltoid muscle is assumed to be the only muscle acting and is attached to the arm as shown. The maximum force M that the deltoid muscle can supply has a magnitude of 2481 N. The distances that locate where the various forces act on the arm. What is the weight of the heaviest dumbbell that can be held by the bodybuilder? Note: Express your answer in whole numbers. No unit is required for the final answer. M D.. r13.0 +y 0.150 m 0.280 m +T 0.620 m (b) Free-body diagram of the arm M Deltoid Dumbbell -13.0 muscle Axis Wa Shoulder joint (a) (c)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 79CP: In order to lift a shovelful of dirt, a gardener pushes downward on the end of the shovel and pulls...

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