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46.
REASONING AND SOLUTION
Newton’s second law applied in the vertical and
horizontal directions gives
L
cos 21.0° –
W
= 0
(1)
L
sin 21.0° –
R
= 0
(2)
a.
Equation (1) gives
53 800 N
57 600 N
cos 21.0
cos 21.0
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This note was uploaded on 01/29/2010 for the course CALC 01:640:135 taught by Professor Soffer during the Spring '08 term at Rutgers.
 Spring '08
 SOFFER

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