4141569 phy 3-q_9___10.png - 9 m A cook holds a ZOO-kg | E carton of milk at arm’s length(Fig P89 What force f3 3 must be exerted by the biceps Figure

4141569 phy 3-q_9___10.png - 9 m A cook holds a ZOO-kg | E...

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Unformatted text preview: 9. m A cook holds a ZOO-kg .. | E carton of milk at arm’s length (Fig. P89). What force f3 3 must be exerted by the biceps Figure P83 muscle? (Ignore the weight of the forearm.) Fe: 8.00 cm Figure P83 10. A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 50.0-gram mass is attached at the 10.0-cm mark, the fulcrum must be moved to the 39.2-cm mark for balance. What is the mass of the meter stick? ...
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