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Tension

A uniform thi...

Question

A uniform thick string of length 5 m is resting on a horizontal frictionless surface. It is pulled by a horizontal force of 5 N from one end. The tension in the string at 1m from the force applied is:

A

zero

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B

5 N

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C

4 N

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D

1 N

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Solution

The correct option is C 4 N
Answer is C.
Force is equally distributed along the length of the loose string and therefore at a distance of 1m from the point of application of force will be $\frac{5}{5} (5 - 1) = 4 N$

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