1 Mechanics

Water Parabola with Pendula

demonstration image
Catalog: 
1D52.20A
Location: 
Aa1
Accelerometer (plastic cell w/grid) is clamped to the rotating chair and rotated.

Walking the spool

Catalog: 
1K10.30A
Location: 
Ac3
Spool with wrapped paper. Depending on the angle the spool can be made to go forward, backwards or skid.

Foam rock-Video

demonstration image
Catalog: 
1F10.25
Location: 
3_1
Video Encyclopedia: Hit a real rock and then a foam rock with a heavy mallet.

Torsion pendulum inertia

A disk hanging from a wire oscillates.
Catalog: 
1Q10.20A
Location: 
Ad4
Torsion pendulum inertia

Newton's sailboat-Video

demonstration image
Catalog: 
1H10.20B
Location: 
3_1
Video Encyclopedia: A sail is placed in front of a battery powered fan on a cart.

Gravitational well

A deformed rubber sheet acts as a gravity well. Balls and other objects roll aro
Catalog: 
1L20.10
Location: 
0-0
Rubber sheet with grid is stretched on a frame. One or two rods can be pressed into the sheet at locations along a diagonal.

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.

Area dependence of friction - Video

demonstration image
Catalog: 
1K20.20A
Location: 
3_1
Video Encyclopedia: A 2x12 is pulled along the bench top while resting on either the narrow or wide face.

Howitzer and Tunnel (Vertical Gun on Cart)

The cannon is armed by pushing the ball down until it clicks.
Catalog: 
1D60.10A
Location: 
Ab2
Projectile launched vertically from moving horizontal cart lands on the cart again. (1D60.15 Tilt the track slightly and launch the ball perpendicular to the track and it will still catch it.)

Walking the spool - Video

demonstration image
Catalog: 
1K10.30C
Location: 
3_1
Video Encyclopedia :Spool with wrapped ribbon. The sides of the spool are made of clear Plexiglas.

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