A person is performing slow arm curls with a 10- kg weight as indicated in the figure below. The brachialis muscle group (consisting of the bicepts and brachialis muscles) is the major factor in this exercise. Determine the magnitude F of the brachialis-muscle-group force and the magnitude E of the elbow joint reaction at point E for the forearm position shown in the figure. Use the dimensions provided to locate the effective points of application of the two muscle groups; these points are 200 mm directly above E and 50 mm directly to the right of E. Include the effect of the 1.5- kg forearm mass with mass center at point G. State any assumptions. Humerus Biceps Brachialis 200 mm Ulna 10 kg Radius E 50 mm 100 mm 350 mm

A person is performing slow arm curls with a 10- kg weight as indicated in the figure below. The brachialis muscle group (consisting of the bicepts and brachialis muscles) is the major factor in this exercise. Determine the magnitude F of the brachialis-muscle-group force and the magnitude E of the elbow joint reaction at point E for the forearm position shown in the figure. Use the dimensions provided to locate the effective points of application of the two muscle groups; these points are 200 mm directly above E and 50 mm directly to the right of E. Include the effect of the 1.5- kg forearm mass with mass center at point G. State any assumptions. Humerus Biceps Brachialis 200 mm Ulna 10 kg Radius E 50 mm 100 mm 350 mm

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

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.

Question

A person is performing slow arm curls with a 10- kg weight as indicated in the figure below.
The brachialis muscle group (consisting of the bicepts and brachialis muscles) is the major
factor in this exercise. Determine the magnitude F of the brachialis-muscle-group force and
the magnitude E of the elbow joint reaction at point E for the forearm position shown in the
figure. Use the dimensions provided to locate the effective points of application of the two
muscle groups; these points are 200 mm directly above E and 50 mm directly to the right of E.
Include the effect of the 1.5- kg forearm mass with mass center at point G. State any
assumptions.
Humerus
Biceps
Brachialis
200 mm
Ulna
10 kg
Radius
E
50 mm
100 mm
350 mm

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