A collar with a pulley slides on a frictionless vertical bar GH. A string ABCD is wrapped around the pulley, where portion AB of the string is horizontal. A spring with 2 lb/in. stiffness is placed between the collar and point H. The spring has 8 in. unstretched length and 6 in. final length. The collar and pulley have a combined weight of 5.5 lb, and the weights of all other components are negligible. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. H DU spring 60% pulley T B A weight Determine the value of P required for equilibrium and the magnitude of the reaction between the collar and bar GH. (Round the final answers to four decimal places.) The value of P required for equilibrium is Ib, and the magnitude of the reaction between the collar and bar GH is lb.

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Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest.