1J Statics of Rigid Bodies

Laded Beam (Instructor version)

Catalog: 
1J40.40E
Location: 
A plank is supported by a bathroom scale at each end. The instructor then walks along the plank while having students note the force measured by the scales.

One Rope and Three Weights

The middle weight is increased.  ASU copyright
Catalog: 
1J30.26
Location: 
Ab6
A rope is tied to a pole and a heavy weight hangs from a pulley at the other end. There are protractors to measure the deflection of the rope. In the middle a small weight is applied which easily moves the heavy weight.

Meter stick balance

Catalog: 
1J40.20A
Location: 
Ab2
Meter stick balance (white plastic)

Arm model - Video

demonstration image
Catalog: 
1J40.75
Location: 
3_1
Video Encyclopedia :Use an arm model simulating both biceps and triceps muscles to throw a ball.

Irregular object center of mass - Video

demonstration image
Catalog: 
1J10.12B
Location: 
3_1
Video Encyclopedia: Suspend an irregular object from several points and find the center of mass with a plumb bob.

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.

Loaded beam - moving scales - Video

demonstration image
Catalog: 
1J10.20
Location: 
3_1
Video Encyclopedia :Slide your fingers under a meter stick to find the center of mass.

Torque wrench - Video

demonstration image
Catalog: 
1J40.15
Location: 
3_1
Video Encyclopedia :A torque wrench is used to break aluminum and steel bolts.

Toppling cylinders - Video

demonstration image
Catalog: 
1J11.11B
Location: 
3_1
Video Encyclopedia: The standard leaning tower and an upright cylinder that topples when the cap is removed. It has two balls in the tube.

Meter stick balance - Video

demonstration image
Catalog: 
1J40.20B
Location: 
3_1
Video Encyclopedia :Use a meter stick, suspended at the center, as a torque balance.

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