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OBJECTIVE: To measure the acceleration due to gravity using a simple pendulum. Many things in nature wiggle in a periodic fashion. That is, they vibrate. One such example is a simple pendulum. If we suspend a mass at the end of a piece of string, we have a simple pendulum.
A simple pendulum consists of a heavy or point mass suspended by an inextensible or non-elastic thread from a fixed point. The length of the pendulum is the distance from the point of suspension to the centre of gravity of the bob. The resting position of a simple pendulum is known as the mean position.
A simple pendulum consists of a point-mass (m) suspended from a fixed point by a string of length ( L ). When the mass is displaced from vertical, it oscillates about the vertical plane.
The aim of the experiment is to investigate the relation between the period of oscillation of a simple pendulum and its length and to determine the acceleration due to gravity.
A simple pendulum consists of a small object (known as the bob) suspended from an inextensible string of negligible mass. When left undisturbed the bob hangs motionless with the string vertical.
The purpose of this lab was to experimentally determine a value for g, the acceleration of Earth’s gravity, by using the given ‘pendulum equation’ and experimental data for the period of a pendulum and the length of a pendulum string. Additionally, we were to consider how the period of a pendulum is affected by its length.
2 wrz 2003 · A lab report on the effect of mass and length on the period of a simple pendulum. The data are collected using a photogate and a PASCO interface box, and are analyzed using Excel and Science Workshop.
