A spinning wheel is set into rotational motion with the beginning of the angular section labeled “1” at the marker at the top of the wheel. The wheel then decelerates and eventually comes to a halt on one of the numbered sections. The wheel in the drawing is divided in to twelve sections with 30 degrees in each section. Determine the numbered section on which the wheel comes to a halt when the deceleration of the wheel has a magnitude of 0.3 rev/s2 and initial angular speed is 7 rev/s.
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.
A spinning wheel is set into rotational motion with the beginning of the angular section labeled “1” at the marker at the top of the wheel. The wheel then decelerates and eventually comes to a halt on one of the numbered sections. The wheel in the drawing is divided in to twelve sections with 30 degrees in each section. Determine the numbered section on which the wheel comes to a halt when the deceleration of the wheel has a magnitude of 0.3 rev/s2 and initial angular speed is 7 rev/s.
(Attached is a photo of a wheel)
The marker stops at REGION:
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