ch13-p073 - 73. The magnitudes of the individual forces...

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8 ˆˆ (cos i sin j) (cos i sin (c o s c o s ) i (s i n s i n ) j ˆ ( 4.4 10 N)j CA C A A B C B B AC A BC B AC A BC B FF F θθ =+ ++ =− × G 73. The magnitudes of the individual forces (acting on m C , exerted by m A and m B respectively) are 88 22 2.7 10 N and 3.6 10 N AC BC AC BC AC BC Gm m Gm m rr −− == × × where r AC = 0.20 m and r BC = 0.15 m. With r AB = 0.25 m, the angle A F G makes with the x axis can be obtained as 222 11 cos cos (0.80) 217 . 2 AC AB BC A AC AB rrr θπ
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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