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Figure 12.58 shows a person pulling down on a rope with a 50 N modulus force. The forearm is pointed at 30 ° from the horizontal. The triceps (the muscle that flexes the elbow) is fixed 1.2 cm from the joint and exerts a vertical force. It is assumed that the forearm is a homogeneous bar of negligible thickness, mass 2 kg and length 30 cm.

Figure 12.58 shows a person pulling down on a rope with a 50 N modulus force. The forearm is pointed at 30 ° from the horizontal. The triceps (the muscle that flexes the elbow) is fixed 1.2 cm from the joint and exerts a vertical force. It is assumed that the forearm is a homogeneous bar of negligible thickness, mass 2 kg and length 30 cm.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Figure 12.58 shows a person pulling down on a rope with a 50 N modulus force. The forearm is pointed at 30 ° from the horizontal. The triceps (the muscle that flexes the elbow) is fixed 1.2 cm from the joint and exerts a vertical force. It is assumed that the forearm is a homogeneous bar of negligible thickness, mass 2 kg and length 30 cm. 30° 30 cm 1,2 cm A Figure 12.58 (a) What is the modulus of tension in the muscle? (b) Determine the modulus of the horizontal and vertical forces exerted by the elbow
Transcribed Image Text:Figure 12.58 shows a person pulling down on a rope with a 50 N modulus force. The forearm is pointed at 30 ° from the horizontal. The triceps (the muscle that flexes the elbow) is fixed 1.2 cm from the joint and exerts a vertical force. It is assumed that the forearm is a homogeneous bar of negligible thickness, mass 2 kg and length 30 cm. 30° 30 cm 1,2 cm A Figure 12.58 (a) What is the modulus of tension in the muscle? (b) Determine the modulus of the horizontal and vertical forces exerted by the elbow
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