1 Mechanics

Inertia balls-Video

demonstration image
Catalog: 
1F20.10B
Location: 
3_1
Video Encyclopedia: A mass is suspended between two cords. Pull slowly or jerk on the lower cord.

Torsion pendulum inertia

Many objects can be mounted on the torsion pendulum.
Catalog: 
1Q10.20B
Location: 
Ad1
Torsion pendulum inertia

Helicopter Rotor - Video

demonstration image
Catalog: 
1H10.25
Location: 
3_1
Video Encyclopedia: A symmetric propeller deflects air down, causing upward lift.

Tippe Tops

Place the launching handle over the top.
Catalog: 
1Q60.30A
Location: 
Ae3
The tippe top flips.

Torque (grip) bar - Video

demonstration image
Catalog: 
1J40.10B
Location: 
3_1
Video Encyclopedia :Use wrist strength to lift a weight suspended at various distances from the handle.

Egg in sheet

This egg broke, but after it bounced off the sheet. An ASU baseball player threw
Catalog: 
1N10.20A
Location: 
3 & 4
Raw egg does not break when flung as forcefully as possible into sheet hung from frame. Students provide eggs.

Howitzer and Tunnel on Incline

Catalog: 
1D60.15
Location: 
Ab2
Projectile is fired from cart moving on incline. It will still catch the ball. Cross referenced as 1D60.10A.

Rolling Uphill

Catalog: 
1K10.50A
Location: 
Ac3
A loaded disc can roll up an incline.(yellow disc)

Tablecloth pull-Video

demonstration image
Catalog: 
1F20.30B
Location: 
3_1
Video Encyclopedia: Pull a low friction tablecloth from under a place setting.

Moment of inertia effects using the torsional chair

Catalog: 
1Q10.251
Location: 
Under stairs
The chair can be assembled with a large spring (under the seat) connected such that the chair executes simple harmonic motion about an equilibrium position. The period of oscillation depends on the moment of inertia of the chair plus the moment of inertia

Pages