A rod mass (M) hinged at (O) is kept in equilibrium with a spring of stiffness (k) as shown in figure. The potential energy stored in the spring is .

potential energy stored in the spring depends on

A block of mass m held touching the upper end of a light spring of force constant K as shown in figure. Find the maximum potential energy stored in the spring if the block is released suddenly on the spring.

A block of mass m held touching the upper end of a light spring of force constant K as shown in figure. Find the maximum potential energy stored in the spring if the block is released suddenly on the spring.

A force of 10 N holds an ideal spring with a 20 N/m spring constant in compression. The potential energy stored in the spring is

A force of 10 N holds an ideal spring with a 20 N/m spring constant in compression. The potential energy stored in the spring is

Two springs are in a series combination and are attached to a block of mass 'm' which is in equilibrium. The spring constants and extension in the springs are as shown in the figure. Then the force exerted by the spring on the block is :

Two springs are in a series combination and are attached to a block of mass 'm' which is in equilibrium. The spring constants and extension in the springs are as shown in the figure. Then the force exerted by the spring on the block is :

In the figure shown, PQ is a uniform sphere of mass M and radius R hinged at point P , with PQ as horizontal diameter. QT is a uniform horizontal rod of mass M and length 2R rigidly attached to the sphere at Q, supported by a vertical spring of spring constant k. If the system is in equilibrium, then the potential energy stored in the spring is

A body of mass m is attached to the spring which is elongated to 25 cm by an applied for from its equilibrium position, (a) Calculate the potential energy stored in the spring-mass system? (b) What is the work done by the spring force in this elongation? (C) Suppose the spring is compressed to the same 25 cm, calculate the potential energy stored and also the work done by the spring force during compression. (The spring constant, k=0.1Nm^(-1)) .