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A cook holds a 2.90 kg carton of milk at arm's length (Fig. P8.9). What force FB must be exerted by the bicep
05-01-2014, 10:39 AM
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KtG Offline
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A cook holds a 2.90 kg carton of milk at arm's length (Fig. P8.9). What force FB must be exerted by the bicep
A cook holds a 2.90 kg carton of milk at arm's length (Fig. P8.9). What force FB must be exerted by the biceps muscle? (Ignore the weight of the forearm.)

Image: http://www.webassign.net/sf/p8_09.gif


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05-01-2014, 10:48 AM
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odu83 Offline
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2.9*9.81*(25+8)=Fb*cos75*8

453.4 N

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