Newton's Second And Third Laws Of Motion example essay topic

409 words
Newton's law of motion serve as the basis for all of physics despite the fact that all three of them are no more than a few sentences long. Newton's first, second, and third laws all hold implications on the concepts of equilibrium and work. Newton's laws of motion have an effect upon equilibrium situations. An object at equilibrium is either moving at a constant velocity, or stationary. At equilibrium there is no acceleration, no net force, and all of the forces are balanced. Newton's first law can be applied to equilibrium in that it identifies a net force as something that disturbs a state of equilibrium.

Newton's second law can be applied to an equilibrium type situation where forces are broken up into components parallel and perpendicular to the incline. You can apply Newton's Second Law in the y-direction through: Fy = FN-Mg COS 8 = May = 0. In the x-direction: Fx = T-Mg SIN 8 = Max. Both of these equations are equal to zero because there is no acceleration. Newton's third law can be applied to equilibrium because it states that two forces have opposite directions and equal magnitude.

In essence, all forces come in pairs. When solving equilibrium problems, one knows that the net force is zero. Newton's three laws have implications upon work as well. Work is the process of changing the energy of a system. Work can be found through FD, which describes something being done to an object. An agent in an environment exerts force upon an object, and displaces it.

Newton's first law comes into play because a force controls weather an object is at rest or moves with constant velocity. To include Newton's second and third laws of motion, work done on an object equals the change in energy. In addition to this, a system is the object of interest while the environment is everything else. Through the process of doing work, energy transfers between an environment working on a system, work is positive and the energy increases. In contrast, if a system works on an environment, work is negative and the system decreases. To conclude, Newton's three laws of motion can be implicated upon both equilibrium and work.

Though not every point is directly related to a law, in one way or another they relate distantly.