1-6. Consider again Fig. 1.12. Now let the 14-kg weight hang from the mid- dle of...

 

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1-6. Consider again Fig. 1.12. Now let the 14-kg weight hang from the mid- dle of the lower arm (20 cm from the fulcrum). Calculate the biceps force and the reaction force at the joint. Bone Muscle 100° 30 cm 4 cm 40 cm a FIGURE 1.12 ► (a) Weight held in hand. (b) A simplified drawing of (a). 1-6. Consider again Fig. 1.12. Now let the 14-kg weight hang from the mid- dle of the lower arm (20 cm from the fulcrum). Calculate the biceps force and the reaction force at the joint. Bone Muscle 100° 30 cm 4 cm 40 cm a FIGURE 1.12 ► (a) Weight held in hand. (b) A simplified drawing of (a).