Asked by Liezel C. Cruz

A man weighing 500 newtons sits in swing suspended with two ropes if each rope makes an angle of 30 degree with the vertical, what is the tension in each rope?

Answers

Answered by bobpursley
well, each rope is holding half the weight.

I see the following trinagle: cos30=1/2 weight/ tension


tension= 250N/cos30

check that diagram.
Answered by Henry
T1*sin(90+30) + T2*sin60 = -500*sin270.
0.866T1 + 0.866T2 = 500.
T1 = T2. Replace T2 with T1.
0.866T1 + 0.866T1 = 500.
1.732T1 = 500.
T1 = 288.7 N. = T2.
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