Learning Goal: tirear To practice Problem-Solving Strategy 8.1 Static equilibriu

Question

Learning Goal: tirear To practice Problem-Solving Strategy 8.1 Static equilibrium problems. Submit My Answers Give Up When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm is 1.30 kg If the biceps is connected to the forearm a distance dbicepe 2.50 cm from the elbow, how much force Fbicep must the biceps exert to hold a 600 g ball at the end of the forearm at distance doall 35.0 cm from the elbow, with the forearm parallel to the floor? How much force Fello must the elbow exert? (Figure 1) Correct Part C What is the horizontal distance deorearn between the elbow and the point where the weight of the forearm acts? Express your answer in meters Figure 1of 1 Biceps Submit My Answers Give Up chall Part D

Explanation / Answer

the horizontal distance d of forearm between the elbow and the point where the weight of the forearm acts

d = L/2 = 35/2 = 17.5 cm = 0.175 m

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