For free pendulum experiment two types of concentrated mass was used the first one is wood and the second one is steel, and the collected data from the experiment are represented as below in the table, Solve the below questions and select the correct answer: Wood Steel Length m Time to complete 20 cycle T20 sec Time to complete 15 cycle T20 sec 0.25 19.30 14.47 0.30 20.50 15.37 0.35 23.00 17.25 1- Period for wood concentrated mass equals to .... 2- Period for Steel concentrated mass equals to 3- Experimental gravitational acceleration constant for steel at length 300 mm.... 4- Natural frequency for Steel concentrated mass if g= 9.81 m/s and length is 500 mm....
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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