Block A has a mass of 14 kg, block B has a mass of 12 kg, and angle alpha equals

Physics
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Block A has a mass of 14 kg, block B has a mass of 12 kg, and angle alpha equals 19°. What is the tension in the wire that connects blocks A and B?

a.  41 N

b.  44 N

c.  33 N

d.  38 N

Apr 24th, 2015

(14)(9.8)(sin19) + (12)(9.8)(sin19) / 2

= 9.8sin19(14 + 12) / 2

= 9.8(26)sin19 / 2 = 41 N   choice a.

Apr 24th, 2015

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