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B a rubber bend of length 7m is stretched to connect to points a and b a tension force of 40 n is thereby developed in the band a 20-n weight is then attached to the band at c find the distance?
Wiki User
∙ 10y ago
A. A rubber bend of length .7m is stretched to connect to points A and B. A tension force of 40 N is thereby developed in the band. A 20-N weight is then attached to the band at C. Find the distance a that point C moves downward if the 20-N weight is constrained to move vertically downward along a frictionless rod.
[Hint If you consider part of the band, the "spring constant" for it will be greater than that of the whole band]
(Ref. See page no. 440, Fig. No P.10.48)
Wiki User
∙ 10y ago
To find the distance between points A and C, you can use the concept of equilibrium in the rubber band system. The tension force in the band due to the weight of 20 N at point C should be equal to the tension force developed by stretching the band. Use this balanced forces approach to solve for the distance between points A and C.
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