Period of simple pendulum is related to the length by T=2n sec ond Use this equation to calculate the acceleration due to gravity if period T and length l is given. Question 1: Complete the calculations using the data given in the table (Please Note: Trial 1 and Trial 2 values are given for 20 oscillations) Table 1: Calculation of acceleration due to gravity (keeping mass and amplitude constant) Pendulum Trial Trial Square of Time Period length Mean Time period L/T? 1 (s) T (s) (m/s) L (cm) (s) (s) T2 (s?) 35 23.7 23.8 40 25.4 25.3 45 26.9 26.8 (5)
Simple harmonic motion
Simple harmonic motion is a type of periodic motion in which an object undergoes oscillatory motion. The restoring force exerted by the object exhibiting SHM is proportional to the displacement from the equilibrium position. The force is directed towards the mean position. We see many examples of SHM around us, common ones are the motion of a pendulum, spring and vibration of strings in musical instruments, and so on.
Simple Pendulum
A simple pendulum comprises a heavy mass (called bob) attached to one end of the weightless and flexible string.
Oscillation
In Physics, oscillation means a repetitive motion that happens in a variation with respect to time. There is usually a central value, where the object would be at rest. Additionally, there are two or more positions between which the repetitive motion takes place. In mathematics, oscillations can also be described as vibrations. The most common examples of oscillation that is seen in daily lives include the alternating current (AC) or the motion of a moving pendulum.
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