Q4/ A skeletal diagram of a hand holding a D load is shown in the upper figure. If the load and the forearm have masses of 2 kg and 1.2 kg, respectively, and their centers of mass are located at G1 and G2 , determine the force developed in the biceps CD and the horizontal and vertical components of reaction at the G2 elbow joint B. The forearm supporting system D can be modeled as the structural system shown in the lower figure. 75° |G2 -135 mm- -100 mm- 65 mml

Q4/ A skeletal diagram of a hand holding a D load is shown in the upper figure. If the load and the forearm have masses of 2 kg and 1.2 kg, respectively, and their centers of mass are located at G1 and G2 , determine the force developed in the biceps CD and the horizontal and vertical components of reaction at the G2 elbow joint B. The forearm supporting system D can be modeled as the structural system shown in the lower figure. 75° |G2 -135 mm- -100 mm- 65 mml

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.27P

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Question

Q4/ A skeletal diagram of a hand holding a
load is shown in the upper figure. If the load
and the forearm have masses of 2 kg and 1.2
kg, respectively, and their centers of mass are
located at G1 and G2 , determine the force
developed in the biceps CD and the horizontal
and vertical components of reaction at the
G2
elbow joint B. The forearm supporting system
can be modeled as the structural system shown
in the lower figure.
75°
|G2
-135 mm-
A
-100 mm→
\65 mml

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Q4/ A skeletal diagram of a hand holding a load is shown in the upper figure. If the load and the forearm have masses of 2 kg and 1.2 kg, respectively, and their centers of mass are located at G1 and G2 , determine the force developed in the biceps CD and the horizontal and vertical components of reaction at the elbow joint B. The forearm supporting system DE can be modeled as the structural system shown in the lower figure. 75° B G2 -135 mm -100 mm- |65 mml
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