A standard bowling ball weighs 15 pounds. You wish to hold a bowling ball in front...

 

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A standard bowling ball weighs 15 pounds. You wish to hold a bowling ball in front of you, with the elbow bent at a right angle. Assume that your biceps attaches to your forearm at 2.5 cm out from the elbow joint, and that your biceps muscle pulls vertically upward, that is, it acts at right angles to the forearm. Also assume that the ball is held 38 cm out from the elbow joint. Let the mass of your forearm be 5.8 kg and assume its center of gravity is located 19 cm out from the elbow joint. How much force Fbiceps must your biceps muscle apply to forearm in order to hold out the bowling ball at the desired angle? Fbiceps = N A standard bowling ball weighs 15 pounds. You wish to hold a bowling ball in front of you, with the elbow bent at a right angle. Assume that your biceps attaches to your forearm at 2.5 cm out from the elbow joint, and that your biceps muscle pulls vertically upward, that is, it acts at right angles to the forearm. Also assume that the ball is held 38 cm out from the elbow joint. Let the mass of your forearm be 5.8 kg and assume its center of gravity is located 19 cm out from the elbow joint. How much force Fbiceps must your biceps muscle apply to forearm in order to hold out the bowling ball at the desired angle? Fbiceps = N

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To find the force Fbiceps that your biceps muscle must apply to your forearm we need to use the conc... View the full answer