When bobbing for apples a child noticed that apples that get away bob up and down, just like a vertical spring oscillating up and down. The child measures the time it takes for a particular apple to complete one whole cycle of bobbing, and found it to be 0.7 seconds. If this apple was initially displaced by 0.03m, answer the following questions. seconds a) What is the period of oscillation of the apples motion. b) What is the frequency of oscillation of the apples motion. c) What is the angular frequency of oscillation of the apples motion. d) What is the amplitude of the oscillation? e) The water is acting like a spring. If the mass of the apple was 0.03 kg, what would the equivalent spring constant of the water be? f) What is the position of the ball after 5 seconds? after 5 seconds? velocity m m Hz m/s rad/s N/m
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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