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Question

Physics Question on laws of motion

Two light strings of length 4 cm and 3 cm are tied to a bob of weight 500gm The free ends if the strings are tied to pegs in the same horizontal One and separated by 5cm. The ratio of tension the longer string to that in the shorter string is.

A

4:03

B

3:04

C

4:05

D

5:04

Answer

3:04

Explanation

Solution

Tension F=mgxl ⇒ Fα1lTension \, F = \frac{mgx}{l} \, \Rightarrow \, F \alpha \frac{1}{l}