A bodybuilder holds a dumbbell of weight Wd. His arm is horizontal and weighs 41 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 2976 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 ... r13.0° +y Wa 0.150 m 0.280 m +T 0.620 m (b) Free-body diagram of the arm +x M Deltoid Dumbbell -13.00 M/ Axis muscle Wa Shoulder joint

A bodybuilder holds a dumbbell of weight Wd. His arm is horizontal and weighs 41 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 2976 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 ... r13.0° +y Wa 0.150 m 0.280 m +T 0.620 m (b) Free-body diagram of the arm +x M Deltoid Dumbbell -13.00 M/ Axis muscle Wa Shoulder joint

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

A bodybuilder holds a dumbbell of weight Wd. His arm is horizontal and weighs 41 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
2976 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
•..
-13.0°
公。
+y
0.150 m
0.280 m
+T
0.620 m
(b) Free-body diagram of the arm
+x
M
Dumbbell
-13.0°
Deltoid
muscle
Axis
Wa
Wa
Shoulder
joint
(c)
(a)

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