Saturday, April 27, 2019
Estimation of gravitational acceleration due to pendulim Assignment
Estimation of gravitational acceleration ascribable to pendulim - Assignment ExampleThe use of a simple pendulum experiment in the study of motion helps to win valuable insights into the acceleration of objects due to the gravitational force. In this experiment, a mass is set to swing to descend the number of oscillations in a particular point. Such an oscillatory motion is referred to as simple agreeable motion (JHA & JHA, 2009 pg. 275). This experiment was conducted to facilitate the understanding of the relationship between various parameters in an oscillatory system. As such, the main objective of this experiment is to estimate the apprize of gravitational force acting on the pendulum and equation this value with the widely accepted value of 9.81m/s2, mathematically.The period is the time a simple pendulum takes to complete a single oscillation. This physical quantity does not depend on the mass and the amplitude of the swing. However, it is dependent on factors such as th e pendulums length and the acceleration due to the gravitation. A shorter pendulum has a shorter period than a longer pendulum (Matthews 2005, p.133). In small swings (swings with small angles), the period, T, of a pendulum with a certain length, L, is given bythither exists only one true value of the period of a swinging pendulum no matter the bar method and how precise the instrumentation used can be applied. As such, a measurement of the period is a true value approximation and gives either the true value or a value close to the true value. From the above, acceleration due to gravitational force can be determined by making g the subject of the formula, that is, g = 42L / T2.The apparatus used in the experiment include the pendulum bob, string, split cork, and timer. The thread of the pendulum was placed between two halves of a split cork and clamped to a hard support. Additionally, the length of the thread was set at a
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