PIRA # |
Demonstration Name |
Demonstration Description |
Image Available |
| 1M20.11 | Block and Tackle | Use a spring scale to look at mechanical advantadge of different pulley systems(details). | NA |
| 1M40.10 | Nose Basher | A bowling ball pendulum is held against the nose and allowed to swing out and back(details). | Yes |
| 1M40.15 | Pedulum on String | A pendulum started at the height of a reference line reaches the same height when a stop (meter stick, PVC, etc.) is inserted(details). | Yes |
| 1M40.20 | Loop the Loop | A ball rolls down an incline and around a loop. Vary the initial height of the ball(details). | Yes |
equipment
setup
estimated time
additional instructions
equipment
- bowling ball suspended from ceiling
setup
- 10 minutes to suspend bowling ball
estimated time
- 5 minutes
additional instructions
- pull ball back to nose and release without any additional push
- the ball will swing away and back without ever reaching nose again
equipment
- suspended pendulum
- some type of stopper (PVC, stick, etc.)
setup
- <5 minutes
estimated time
- 5 minutes
additional instructions
- start pendulum swinging from a particular height in front of blackboard or wall
- insert the stopper and the pendulum will swing up to the original starting position
equipment
- a loop the loop track (see photo)
- a marble-size ball
setup
- minimal
estimated time
- 5 minutes
instructions
- release ball from top of track and it will run through the track and up the other side
- release ball from middle of one end and it will not make it through the loop
