1M Work & Energy

Nose Basher

Wait for the ball to return.
Catalog: 
1M40.10A
Location: 
Ac6
A bowling ball pendulum is held against the nose and allowed to swing out and back.

Conservation of Energy, Video

demonstration image
Catalog: 
1M40.33D
Location: 
3_1
Video Encyclopedia: Balls released from three tracks with identical initial angles rise to the same height independent of the angle on the second side of the v.

Obedient can

Catalog: 
1M40.75
Location: 
Ac6
Can is rolled away, then returns.

Rattleback (Celt)

Catalog: 
1M40.90
Location: 
Ac6
Spin rattleback in one direction on overhead, it reverses direction.

Incline plane

Catalog: 
1M20.30
Location: 
Ac2
Incline plane (with protractor)

Levers - Video

demonstration image
Catalog: 
1M20.40C
Location: 
3_1
Video Encyclopedia :A torque bar, spring scale, and pivot are used to illustrate the three classes of levers.

Loop the Loop - Video

demonstration image
Catalog: 
1M40.20B
Location: 
3_1
Video Encyclopedia :A rolling ball must be released at 2.7 times the radius of the loop.

Loop the Loop - Video

Catalog: 
1M40.20C
Location: 
3_1
Cinema Classics: Circular Motion: Loop the Loop. Video of accelerometer and roller coaster rides

Two Ropes or One?

Both ropes are attached to the load.
Catalog: 
1M20.15A
Location: 
Ac5
A weight hangs from two strings. In one case both strings attatch to the weight. In the second case only one string is atached to the weight.

Ballistic Pendulum

Catalog: 
1M40.41A
Location: 
21-2

A brass ball is fired at a pendulum. The pendulum catches the ball and swings to its maximum height. The velocity of the ball calculated.