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 Torsion Spring


UNIT: Moment of Inertia

PURPOSE: To investigate the moment of inertia of several simple shapes, including the relationship I=f(r) for a point mass rotating about a fixed axis at a distance r.

EQUIPMENT:
1. Table clamp or weighted base
2.
Torsion Axle
3. Rod with two moveable masses
4. Solid wood disk (225cm dia.)
5. Solid wood cylinder (90cm dia.)
6. Hollow metal cylinder (90cm dia.)
7. Supporting plate for both the solid wood cylinder and hollow metal cylinder
8. Circular metal disk

SUGGESTIONS
1. Twist the spring so its compressed rather then stretched
2. The metal disk can be rotated around several different axes

DISCUSSION:
--
1.                                        2.
 
3.                                        4.
 
5.                                        6.
 

1. Equipment
2. Two cylinders with equal mass, one is hollow steel and the other is solid wood
3. Rod with the masses attached to it at the center
4. Rod with the masses attached to it at the end
5.
Metal disk rotating about center of mass
6. Wood disk 225cm dia

Manual Page:(1) (2) (3) (4) (5)