1M Work & Energy

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.

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)

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.