The use of Microsoft excel in the last five years proves a positive influence for the learning process both students and teachers. In physics learning, this software is quite often used in teaching such as on thermodynamic topics (Tanaka, Asakura, & Avramidis, 2017), waves on the membrane (Eso, Safiuddin, Agusu, & Arfa, 2018) and several other topics. Using e-learning tools have positive impact of the methodology on the students’ engagement and motivation (Fabregat-Sanjuan, A., Pàmies-Vilà, R., Ferrando Piera, F., & De la Flor López, S. (2017). This simple software is helpful in e-assessment (Azevedo & Pedrosa, 2017). Beyond these highlighted benefits for students, teachers gain time, effort and workload reduction when using automatic spreadsheet corrector (Serra, Bikfalvi, Masó, Carrasco, & Garcia, 2017). Because of that, this research developed Microsoft excel as a learning media in the classroom. Simple Harmonic Motion A common, very important, and very basic kind of oscillatory motion is simple harmonic motion such as the motion of an object attached to a spring. In equilibrium, the spring exerts no force on the object. When the object is displaced an amount x from its equilibrium position, the spring exerts a force -kx, as given by Hooke's law: F = -kx where le is the force constant of the spring, a measure of the spring's stiffness. The minus sign indicates that the force is a restoring force; that is, it is opposite to the direction of the displacement from the equilibrium position. The acceleration is proportional to the displacement and is oppositely directed. This is the defining characteristic of simple harmonic motion and can be used to identify systems that will exhibit it: Whenever the acceleration of an object is proportional to its displacement and is oppositely directed, the object will move with simple harmonic motion (Tipler & Mosca, 2007). Consider a mass attached to a spring with spring constant k. The spring exerts a force –kx, where x is the displacement of the mass from equilibrium. The law F = ma is thus We can integrate this equation twice to obtain the solution, which is Where 116 International Journal of Science and Business Email: [email protected] Website: ijsab.com Published By
IJSB Volume : 3, Issue : 3, Year : 2019 Page : 114-123 You can confirm that equation is indeed the solution of by differentiating. Thus: The parameters A, , and f are constants of the motion. To give physical significance to these ω constants, it is convenient to form a graphical representation of the motion by plotting x as a function of t. First, A, called the amplitude of the motion, is simply the maximum value of the position of the particle in either the positive or negative x direction. The constant is called ω the angular frequency, and it has units 1 of rad/s. It is a measure of how rapidly the oscillations are occurring; the more oscillations per unit time, the higher the value of ω (Serway & Jewett, 2018). The maximum value of x is A, the maximum value of v is A , and the ω maximum value of acceleration (a) is A ω 2 . When the displacement is large, the mass stops and v = 0. At this point the spring is fully stretched and F and a are both large (but negative) (Browne, 2013).
- Spring '18
- Dr. Moez
- Physics, International Journal of Science