If the frequency of the waves produced by a vibrating object increases, how does the wavelength of the waves produced change?
a) it stays the same
b) it decreases
c) it vibrates
d) it increases

e) none of the above answers are correct

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.