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Instruction Sheet
for the PASCO
Model ME-8953

ROTATIONAL INERTIA ACCESSORY

012-05295B

2/2001

$1.00

© 1998 PASCO scientific

Introduction

The ME-8953 Rotational Inertia Accessory allows

you to perform rotational inertia and angular

momentum experiments. It includes a disk which can

be mounted to the rotating base in a variety of

positions and at a wide range of radii.

This accessory requires the PASCO ME-8951

Rotating Platform to operate.

See the Complete Rotational System Manual for

experiment guide.

Equipment

INCLUDED

• disk with bearings in the center

• ring (12.7 cm diameter)

• adapter to connect disk to platform

• 10-spoke pulley and rod

• 1 spool of thread

• 1 hex key (1/8”)

ACCESSORY

ROTATIONAL INERTIA

ROT

ATIONAL

 INERTIA

ACCESSOR

Y

ADDITIONAL REQUIRED

• PASCO ME-8951 Rotating Platform

Specifications

Mass and moment of inertia properties of accessory

components. Actual physical properties may vary due

to tolerances which occur in the manufacturing

process. I = moment of inertia.

Part no.

Description

Mass (kg) I (kg m

2

)

648-07627

9-Inch Disc

1.4kg

0.0091(5)

648-05218

Mass Ring

1.4kg

0.0048(6)

Rotational Inertia Accessory Assembly

Little assembly is required to use the Rotational Inertia

Accessory. The rotational disk can be placed directly

onto the axle of the rotating base or can be used with

the rotating platform via the included platform adapter.

After placing the rotational disk on the axle of the

rotating base, use the included wrench to tighten the

set screw until snug.

mass ring
(12.7cm outside
diameter)

10-spoke pulley
and rod

rotating platform
adapter

rotational disk
(25.4 cm
diameter)

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