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Simple Harmonic motion - Oscillations Video Lecture - Class 11

FAQs on Simple Harmonic motion - Oscillations Video Lecture - Class 11

1. What is simple harmonic motion?
Ans. Simple harmonic motion is a type of oscillatory motion where the restoring force acting on an object is directly proportional to its displacement from equilibrium and opposite in direction. It occurs when a system is in equilibrium but is perturbed slightly and then released.
2. What are the characteristics of simple harmonic motion?
Ans. The characteristics of simple harmonic motion are: - The motion is periodic, meaning it repeats itself over regular intervals of time. - The motion is governed by a restoring force that is directly proportional to the displacement from equilibrium. - The motion is sinusoidal in nature, following a sine or cosine function. - The motion has a constant frequency, which is the number of complete oscillations per unit of time.
3. What is the equation for simple harmonic motion?
Ans. The equation for simple harmonic motion is given by x(t) = A * cos(ωt + φ), where x(t) is the displacement of the object at time t, A is the amplitude of the motion, ω is the angular frequency, t is the time, and φ is the phase constant.
4. What is the difference between amplitude and frequency in simple harmonic motion?
Ans. Amplitude in simple harmonic motion refers to the maximum displacement from equilibrium. It determines the maximum distance the object oscillates from its equilibrium position. On the other hand, frequency refers to the number of complete oscillations or cycles that occur in a unit of time. It determines how fast the object oscillates.
5. How is simple harmonic motion related to Hooke's Law?
Ans. Simple harmonic motion is related to Hooke's Law as Hooke's Law describes the restoring force acting on a spring or elastic object. According to Hooke's Law, the force is directly proportional to the displacement from equilibrium. This force acts as a restoring force in simple harmonic motion, bringing the object back towards its equilibrium position.
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