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Periodic Motion: Simple Harmonic Motion Video Lecture | Crash Course for IIT JAM Physics

FAQs on Periodic Motion: Simple Harmonic Motion Video Lecture - Crash Course for IIT JAM Physics

1. What is simple harmonic motion?

Ans. Simple harmonic motion is a type of periodic motion in which an object oscillates back and forth around a central equilibrium position. The motion is called "simple" because it follows a sinusoidal pattern and is governed by a linear restoring force, such as that provided by a spring or a pendulum.

2. What are the factors that determine the period of simple harmonic motion?

Ans. The period of simple harmonic motion is determined by two factors: the mass of the object and the force constant of the restoring force. The period is directly proportional to the square root of the mass and inversely proportional to the square root of the force constant.

3. How is simple harmonic motion different from other types of periodic motion?

Ans. Simple harmonic motion is distinct from other types of periodic motion because it follows a specific mathematical pattern known as a sinusoidal function. Unlike other periodic motions, the acceleration of an object in simple harmonic motion is directly proportional to its displacement from the equilibrium position and always directed towards the equilibrium.

4. What is the relationship between frequency and period in simple harmonic motion?

Ans. Frequency and period are inversely related in simple harmonic motion. The frequency of an oscillation refers to the number of complete cycles per unit time, while the period is the time it takes to complete one full cycle. The frequency is equal to the reciprocal of the period, meaning that as the frequency increases, the period decreases, and vice versa.

5. What are some real-life examples of simple harmonic motion?

Ans. Simple harmonic motion can be observed in various everyday phenomena. Some examples include the swinging of a pendulum, the motion of a mass-spring system, the vibrations of a guitar string, the oscillations of a tuning fork, and the back-and-forth motion of a child on a swing.

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Oct 14, 2025 Last updated

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