Two strings of length/-0.5 m each are connected to a block of mass m = 2 kg at one
end and their ends are attached to the point A and B 0,5 m apart on a vertical pole which
rotates with a constant angular velocity (0) = 7 rad/sec. Find the ratio
of tension in the upper string (T,) and the lower string (T2). [Use g = 9.8 m/s?)
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Answer:
Ratio of the tension in upper string and lower string is 9 : 1
Explanation:
As we know that two strings are connected together with a block and made an equilateral triangle
so here net tension force on the block towards the center of the circle must be centripetal force
so here we can say
now in vertical direction
now we can solve above two equations
So ratio of the tension in the upper string and lower string is
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Topic : Uniform circular dynamics
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