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Longitudinal Strain

A fan of weig...

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A fan of weight Wf is suspended from the ceiling of a hall through a chain of weight Wc. How much force exerted by ceiling to the chain?

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Q. A body of weight

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is suspended from the ceiling of a room through a chain of weight

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Q. A wire is suspended from the ceiling and stretched under the action of a weight

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Q. A copper rod of length l is suspended from ceiling by one of its ends. Find the elongation

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Q. A ceiling fan has a diameter (of the circle through the outer edges of the three blades) of 120 cm and rpm 1500 at full speed. Consider a particle of mass 1 g sticking at the outer end of a blade.
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b. Who exerts this force on the particle?
c. How much force does the particle exert on the blade along its surface?

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