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)

Double cone on an inclined plane

demonstration image
Catalog: 
1J11.50A
Location: 
Ab5
The double cone appears to roll uphill.

Balancing bird

demonstration image
Catalog: 
1J20.36
Location: 
Ab5
A bird with weighted wing tips balances on its beak

Wine Butler

The center of mass must be over the support.
Catalog: 
1J20.60
Location: 
Ab5
A center of gravity demonstration

Leaning tower of Pisa (loaded)

Catalog: 
1J11.105
Location: 
Ab5
Grey leaning tower with weighted red end. Red end can turn.

Projection force table

Catalog: 
1J30.52
Location: 
Ac1
Used with an overhead projector, the degree scale and strings are shadow projected.

Roman Arch

Pushing down makes the bridge stronger.
Catalog: 
1J30.901A
Location: 
Ab6
Loose bricks are held in place by weight in Roman Arch. Keystone.

Loaded Beam/Bridge?

Catalog: 
1J40.40B
Location: 
Ac2
Non-concurrent forces app.(4 protractors)

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