Oscillations
and Waves > Pendula > Center of Percussion
DCS#
3A15.50
CENTER OF
PERCUSSION
APPARATUS
baseball bat
borrow
rubber mallet
202-05-A
microphone
202-07-E1
laptop and
interface
206
DESCRIPTION
Bat is hung by the handle from a
string.
Strike the head of the bat with the mallet and a ~220 Hz sound can be
heard.
Show this with the microphone and FFT program. Bat can be felt to
vibrate when struck.
