1. You will have to worry about non-simple harmonic motion.
2. Damping other than air resistence that you don't know the nature of.
3. Its a low speed device for long pendulums where air resistance will be
small, short pendulums can be higher speed, but will leave you with timing problems.
and so on.
Build a mathematical model (or models) of the system with freeHow would I calculate air resistance? I don't need you to type the whole thing if you don't want, but I do need help seeing the general idea.
parameters representing the unknowns. Use model to predict the
result of experiments, vary the parameters until model and
Don't worry about being able to "solve" the model all that is necessary
is that you can simulate the behaviour of the experiment to obtain the
results that you could have measured of off the experiment itself.
Video it using a digital camera of some sort, extract the frames ontoMy solution: All I could think of was that the highest point the ball reached on each side per swing and the time it takes to get there, along with the times to the base, are the things I need to record.
your computer and take the measurements off of the frames, using the
frame count as a timer.
You will need to calibrate the frame rate rather than rely on its nominal
value. Do this by filming a digital clock with a second hand and say counting
the number of frames for it to sweep through 60 seconds.
I would still go for filming a dropped projectile myself.