Question

Ciu lg1 BIO carton of milk at arms length (Fig. P8.9). What force FB must be exerted by the biceps 9. A cook holds a 2.00-kg Figure P8.8 muscle? (Ignore the weight of the forearm.) Milk 75.0。.. 25.0 cm 8.00 cm

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Answer #1

Solution,

Applying equilibrium condition for system,

mg(0.25 + 0.08) = (Fb cos75) x 0.08

Fb = (2 x 9.8 x 0.33)/(0.08 x cos75)

Fb = 312 N

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