Vernier Tech Info Library TIL #1012

Question

What are the dimensions of the wheel on the Rotary Motion Sensor?

Answer

The measurements are as follows:

Small Diameter: .95 cm circumference: 3.0 cm
Medium Dia: 2.56 circ. 8.0 cm
Large Dia: 4.47 cm. circ. 14.0 cm
Outer rim Dia: 5.21 cm. circ: 16.4cm
Outer Dia. with rubber ring: 5.5cm circ: 17.3 cm

Moment of Inertia for Pasco 3-step pulley included with the Rotary Motion Sensor:
approx. 1.86 X 10^-5 (according to measurement by Pasco staff)

Created by: jhopkins on October 01 2001
Last updated by: jhopkins on March 19 2007