Deepak Scored 45->99%ile with Bounce Back Crack Course. You can do it too!

Solve the following :

Question:

Consider the situation shown in figure (8-E8). Initially the spring is unstretched when the system is released from rest. Assuming no friction in the pulley, find the maximum elongation of the spring.

Solution:

Solution 45

From figure

$\operatorname{mgx}=\frac{2}{2} \mathrm{x}^{2}$

$\mathrm{X}=\frac{2 m g}{R}$