(((((((((( ))))))))))

 

I hear and I forget, I see and I remember, I do and I understand.

 

 

Mechanics

Kinematics of 1 D uniformly accelerated motion
Projectile motion
Addition of forces
Motion under different kinds of force
Steering a cart
Inclined plane
Drop an object onto a moving trolley
Work and energy
Interrupted Pendulum
Conical pendulum
SHM and uniform circular motion
An oscillator
Phase Difference
Damped oscillations (damping proportional to velocity or due to dry friction)
Forced oscillations (resonance)
Torque
Rotational inertia
Translation and Rotation


Light & Wave

Lens effects
Lens effect due to ripples
Refraction through a prism
Transverse travelling wave
Longitudinal travelling wave
Standing waves and Traveling waves (Revised)
Resonance on a string
Formation of beats
Interference of water waves I
Interference of water waves II
Multiple sources interference
Diffraction of water waves (opening)
Diffraction of water waves(obstacle)
Diffraction of water waves(corner)
Polarizers
Doppler Effect/Sonic Boom

 

E & M

Simple electric circuit
Shunt and multiplier
Magnetic force
Electromagnetic induction (motional emf)
Transformer
Inductor
Root-mean-square values
RC dc charging circuit
RCL series a.c. circuit
Lissajous figures

 

Electronics

Not gate
NPN common emitter amplifier

 


 

Author of the applets : Chiu-king Ng, a high school physics teacher in Hong Kong.

Copyright: The author has the copyright on all the applets appearing in this web site (http://www.ngsir.netfirms.com). Without the author's consent, the applets cannot be used in any commercial activities.

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Mechanics kinematics free fall v-t graph dynamics mechanics light optics electromagnetism electronics projectile free fall uniform acceleration force vector sum resultant force locus circular planetary inverse square law motion inclined plane momentum work and energy large-angle simple conical jumping pendulum interrupted uniform circular motion kinetic energy potential energy work done against friction SHM oscillator damped forced oscillations torque moment of inertia balance translation rotation slipping sliding Snell's law total internal reflection refraction prism wave motion transverse frequency wavelength amplitude crest trough compression rarefaction longitudinal standing stationary wave resonance on string superposition beat multiple sources lens effect convex concave constructive destructive interference diffraction path difference water wave ripple tank beat polarization polarizer doppler sonic boom effect electrical circuit resistor voltmeter ammeter voltage current galvanometer shunt multiplier resistance Ohm's law Magnetic force Faraday electromagnetic induction Lenz'law motional emf transformer primary secondary coil RC capacitor capacitance RL RCL RLC alternating current series resonance impedance cpacitive reactance RMS root mean square a.c. inductor inductance Lissajous figure NOT logic gate NPN transistor amplifier Java applet

 

Hong Kong Victoria Harbour

A harbour view of Hong Kong.

 

 

Last update: 2009/6/28