Vibrations and Waves L-01| Simple Harmonic Motion | B.Sc. Semester 1 | IIT JAM

Infinity Physics Classes・2 minutes read

Understanding simple harmonic motion in B.Sc first year physics involves studying vibrations, differential equations, and practical applications of mechanical and electromagnetic waves, emphasizing the importance of understanding forces producing vibrations and the concept of Damped SHM. The text highlights the concept of displacement leading to simple harmonic motion, discussing differential equations, solutions, and the calculation of velocity and acceleration based on the function of time, ultimately aiming to determine the time period and frequency of the motion using mathematical calculations and visualizing the particle's position over time through graphs.

Insights

  • Understanding simple harmonic motion involves studying differential equations and physical quantities like velocity and displacement.
  • Practical applications of harmonic motion, including damping effects and external forces, are crucial in comprehending the behavior of systems like spring-mass and pendulums.

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Recent questions

  • What is simple harmonic motion?

    Back and forth motion around equilibrium point.

  • What are the practical applications of harmonic motions?

    Damping and external forces counteracting effects.

  • How are mechanical waves related to simple harmonic motion?

    Mechanical waves exhibit properties of SHM.

  • What is the significance of electromagnetic waves in physics?

    Impact on electric and magnetic fields.

  • How does the concept of Damped SHM differ from simple harmonic motion?

    Involves damping effects and external forces.

Related videos

Summary

00:00

Introduction to Velocity, Vibration, and SHM in Physics

  • The text introduces the topic of velocity and vibration in B.Sc first year physics, focusing on simple harmonic motion.
  • It mentions studying simple harmonic motion, differential equations, time period, and mechanical problems.
  • The text discusses a particle's motion in a stream, its vibrations, and the concept of vibration selection.
  • It delves into physical quantities like electromagnetic waves and their impact on electric and magnetic fields.
  • The text emphasizes the importance of understanding vibrations, forces producing vibrations, and the concept of simple harmonic motion.
  • It introduces the concept of Damped SHM, discussing damping, differential equations, and solutions.
  • Practical applications of harmonic motions are highlighted, with a focus on damping and the need for external forces to counteract damping effects.
  • The text mentions joining spring-mass systems and pendulums, discussing their motion and practical applications.
  • It touches on mechanical and electromagnetic waves, focusing on mechanical waves and their properties.
  • The text concludes by mentioning upcoming topics like waves, energy conservation, and the importance of understanding simple harmonic motion in detail.

20:12

Understanding Simple Harmonic Motion in Physics

  • When stretching a particle, a response force tries to bring it back, causing displacement.
  • Scrubs start returning to their original position due to the response force.
  • Displacement leads to the particle returning to its initial position, resulting in simple harmonic motion.
  • Simple harmonic motion involves a differential equation and a function of time.
  • Satisfying the differential equation indicates the particle is in simple harmonic motion.
  • Various solutions to the differential equation are possible, including combinations like cos(theta) + sin(theta).
  • The general solution involves constants and signs, determining the nature of motion.
  • The velocity and acceleration of the particle can be calculated based on the function of time.
  • The time period and frequency of the motion can be determined using mathematical calculations.
  • Graphs can be used to visualize the particle's position over time in simple harmonic motion.
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