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Answer to Question #42291 in Mechanics | Relativity for priyanka

Question #42291
A string of length L and mass M is lying on a horizontal table. A force F is applied at one of its ends. Tension in the string at a distance x from the end at which force applied is

(a) zero

(b) F

(c) F(L−x)/L

(d) F(L−x)/M
Expert's answer
If the string is not fixed and doesn't move because of friction, then the tension in the string at a distance x from the end at which force applied is T=F(L−x)/L,
 
Answer:(c) F(L−x)/L
 
If the table is frictionless and the another end of thestring is fixed, then each point of the string has the same tension T = F.
 
Answer: (b) F. 

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