Question: PRACTICE IT Use the worked example above to help you solve this problem. A W = 52.0 N (11.7 lb) weight is held in a

PRACTICE IT Use the worked example above to help you solve this problem. A W = 52.0 N (11.7 lb) weight is held in a person's hand with the forearm horizontal, as shown in the figure. The biceps muscle is attached d = 0.03057 m from the joint, and the weight is 1 = 0.356 m from the joint. Find the upward force F exerted by the biceps on the forearm (the ulna) and the downward force R exerted by the humerus on the forearm, acting at the joint. Neglect the weight of the forearm. F = 605.56101 N R = 553.56101 N EXERCISE HINTS: GETTING STARTED | I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. Suppose you wanted to limit the force acting on your joint to a maximum value of 8.48 x 102 N. (a) Under these circumstances, what maximum weight would you attempt to lift? N (b) What force would your biceps apply while lifting this weight? N Need Help? Read it

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