An object, whose mass is 0.580 kg, is attached to a spring with a force constant of 112 N/m. The object rests upon a frictionless, horizontal surface (shown in the figure below). An object labeled m is attached to the right end of a horizontal spring, and the left end of the spring is attached to a wall. The spring is stretched horizontally such that the object is displaced by a distance A to the right of its equilibrium position. The object is pulled to the right a distance A = 0.130 m from its equilibrium position (the vertical dashed line) and held motionless. The object is then released from rest. (a) At the instant of release, what is the magnitude of the spring force (in N) acting upon the object? N (b) At that very instant, what is the magnitude of the object's acceleration (in m/s2)? m/s2 (c) In what direction does the acceleration vector point at the instant of release? The direction is not defined (i.e., the acceleration is zero). Away from the equilibrium position (i.e., to the right in the figure). Toward the equilibrium position (i.e., to the left in the figure). You cannot tell without more information.

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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.