1. What is the law of the conservation of energy? Who is credited for its formulation? The law of the conservation of energy has many parts. It states “…energy is neither created nor destroyed. Energy may be transferred from one object to another, but the total amount of energy present remains constant. The amount of energy present is never increased or decreased by any process. The present energy can only change by transferred energy to or from the system it is in” (Musiek & Sahley, 2015, p. 67). A great example of this process is heat (thermal) energy. Energy through heat can be transferred by convection, conduction and radiation. A great example is a metal pot sitting on the stovetop. The heat from the eye of the stove is transferred …show more content…
It is still energy focused, but with added interest in heat, hence “thermo.” The law of the conservation of energy has also proven to exhibit construct validity; by applying to different types of energies and energy transfers.
2. Why is a spring said to be elastic while putty is inelastic? Elasticity is the ability for objects to change their shape or size temporarily and not break when a force is applied. Elasticity has something known as a “restorative force,” which allows the same objects that change size and shape to return to their previous shape. Common examples of elastic objects are springs, rubber bands, and water.
From another perspective we have inelastic objects. Inelastic and elastic objects follow the same guidelines. However, when the force is removed from an inelastic object it doesn’t return to its previous shape like an elastic object wood. Some common examples of inelastic objects are play dough and putty.
A spring is considered elastic because it expands and then returns to the exact size and shape it was before it was stretched. While putty on the other hand, is removed from the container in one shape. Then, it is manipulated into several other shapes. Furthermore, when the restorative force is removed the putty does not return to it’s original