27. A 2.00-kg object attached to a spring moves without friction (b=0) and is driven by an external force given by the expression F = 3.00 sin (2nt), where F is in newtons and is in seconds. The force constant of the spring is 20.0 N/m. Find (a) the resonance angular frequency of the system, Answer 3.16s-1 (b) the angular frequency of the driven system, and Answer 6.28 s-1 (c) the amplitude of the motion. Answer 5.09 cm
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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Chapter 15: Oscillatory Motion
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with a frequency of 1.50 Hz. It makes the hanging part of your coat swing back and forth with
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27. A 2.00-kg object attached to a spring moves without friction (b= 0) and is driven by an external force
given by the expression F = 3.00 sin (2πt), where F is in newtons and t is in seconds. The force constant
of the spring is 20.0 N/m. Find
(a) the resonance angular frequency of the system,
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AA
Pap
28. S Considering an undamped, forced oscillator (b= 0), show that Equation 15.35 is a solution of
Equation 15.34, with an amplitude given by Equation 15.36.
29. CR You have scored a part-time job at a company that makes small probes to be released from satellites
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