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**Physics Lecture Resources**

Prof. Mineesh Gulati Head-Physics Wing Happy Model Hr. Sec. School, Udhampur, J&K Website: happyphysics.com happyphysics.com

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Ch 13 Periodic Motion © 2005 Pearson Education

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**13.1 Describing Oscillation**

© 2005 Pearson Education

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**relationships between frequency and period**

angular frequency © 2005 Pearson Education

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**13.2 Simple Harmonic Motion**

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**simple harmonic motion**

restoring force exerted by an ideal spring simple harmonic motion © 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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**Simple harmonic motion**

© 2005 Pearson Education

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displacement in SHM © 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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**13.3 Energy in Simple Harmonic Motion**

total mechanical energy in SHM © 2005 Pearson Education

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© 2005 Pearson Education

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**13.4 Applications of Simple Harmonic Motion**

© 2005 Pearson Education

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© 2005 Pearson Education

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Angular SHM © 2005 Pearson Education

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**Vibration of molecules**

© 2005 Pearson Education

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Example 13.7 Two argon atoms can form a weakly bound molecule, Ar2, held together by a van der Waals interaction with U0=1.68*10-21J and R0=3.82*10-10m. Find the frequency for small oscillations of one of the atoms about its equilibrium position. Ans: © 2005 Pearson Education

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13.5 The Simple Pendulum © 2005 Pearson Education

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**Simple pendulum, small amplitude**

© 2005 Pearson Education

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© 2005 Pearson Education

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Example 13.8 Find the period and frequency of a simple pendulum 1.0m long at a location where g=9.8m/s2 Ans: © 2005 Pearson Education

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**13.6 The Physical Pendulum (real Pendulum)**

© 2005 Pearson Education

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13.7 Damped Oscillations © 2005 Pearson Education

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**Oscillator with little damping**

For critical damping © 2005 Pearson Education

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**13.8 Forced Oscillations and Resonance**

© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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The circle of reference construction uses a rotating vector called a phasor, having a length equal to the amplitude of the motion. Its projection on the horizontal axis represents the actual motion of a body in simple harmonic motion © 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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© 2005 Pearson Education

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**Visit: happyphysics.com For Physics Resources**

END Visit: happyphysics.com For Physics Resources

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