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Greetings! I have a question that I'm hoping someone can help me
out. I know that the period of a pendulum is dependent upon the length
of the pendulum and gravity. (T=2 x pi x (sqr rt. (length/gravity))) I
was watching the Discovery channel and Would You Believe It was on. They
were showing many neat, strange, and weird stuff. They were talking
about some of the clocks and they showed the inside of Big Ben in
London. They showed the pendulum in Big Ben with a small stack of old
pennies on it. By adding or subtracting pennies on the bob of the
pendulum, they could adjust the period of the pendulum. How is this so?
I've always thought the period of the pendulum is independent of its mass.
Dwight
dsouder@ashland.edu