(a) A picture is supported by two cords, each making an angle53 degree with the

Question

(a) A picture is supported by two cords, each making an angle53 degree with the horizontal. If the tension in each cord is 10 N,what is the weight of the picture? (b) could a picture be supportedby two horizontal cords? I got this question wrong on my homework. Teacher only told usthe answer without explaining how to actually get it. (a) A picture is supported by two cords, each making an angle53 degree with the horizontal. If the tension in each cord is 10 N,what is the weight of the picture? (b) could a picture be supportedby two horizontal cords? I got this question wrong on my homework. Teacher only told usthe answer without explaining how to actually get it.

Explanation / Answer

Tension T = 10 N Vertical component of tension = T sin 53 So, weight of the picture = T sin 53 + T sin53    Since two cords are there                                      = 2T sin 53                                     = 15.97 N

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