A cook holds a 2.59-kg carton of milk at arm's length (see the figure below). Wh

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zwbbql132

Science

Question Description

A cook holds a 2.59-kg carton of milk at arm's length (see the figure below). What force B must be exerted by the biceps muscle? (Ignore the weight of the forearm. State the magnitude of the force B.)
 N

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Explanation & Answer

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2.59*9.81*(25+8)=Fb*cos75*8 

Fb=404.95N


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Sngva Zraunm (1755)
New York University

Anonymous
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