Mechanics Demonstrations
This demonstration is about the
conservation of energy and showy drama as a means of
committing physics concepts to memory.
This
demonstration is NOT used in any lab.
- YOU MUST HAVE 4 PEOPLE TO SET UP THE STAND
- Bring the apparatus to the lecture hall.
- Expand the legs and bolt with the extra bolts/washers/wing knuts
- Bring the feet of the stand to the center of the room.
- Tie the rope to the eyehook on the center block
- Have one person push up on the top, one person pull on the rope, and the other two people keep the four legs from sliding as the stand is lifted.
- Once the stand is upright, each person should take one leg and slowly, synchronously back out to where the legs stand at about 45 degrees from each other.
- Tie the bowling ball at the end of the rope.
Safety Information: Keep audience on the side(s) of the
stand that the pendulum will not be swinging.
Do not let anything get in the path of the bowling ball
JHA