3. A mass on a spring moving along the x-axis in simple harmonic motion starts from the equilibrium position, the origin, at t= 0 and moves to the right (consider the right to be the positive x direction). The amplitude of its motion is 1.75 cm and its period is 0.667 s. You observe the motion +X for 5 seconds. Дх a. At what time(s) in those 5 seconds do you observe the mass have zero acceleration? b. At what time(s) does in those 5 seconds this mass have the maximum negative acceleration (i.e. pointing in the negative x direction)? c. At what earliest time does this mass have the maximum positive acceleration (i.e. pointing in the positive x direction)?
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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