The arm shown in the figure supports a 4kg sphere. The mass of the hand and forearm together is 3kg and its weight acts at a point 15 cm from the elbow. Determine the force exerted by the biceps muscle.

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Q: - Triceps - Biceps - Radius Ulna c.g. 4.5 cm rE 15 cm 38 cm Figure 5

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Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

A: The given figure is: Concept:

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Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.