PIRA # |
Demonstration Name |
Demonstration Description |
Image Available |
| 1G10.40 | Atwood's Machine | Two equal masses are hung from a light pulley. A small percentage of one mass is moved to the other side(details). | Yes |
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Spring Apart Ball Set | Two balls spring apart with one dropped vertically and the other on a parabolic path(details). |
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equipment
- Atwood's machine (mounted light pulley and two equal masses connected by string)
setup
- < 5 minutes
estimated time
- 5 minutes
additional instructions
- masses are originally suspended so they are the same distance from the pulley (in equilibrium)
- when one mass is pulled down slightly it then continues to accelerate until hitting the floor
equipment
- spring apart ball set
setup
- < 5 minutes
estimated time
- 5 minutes
additional instructions
- make sure there is a clear path on both sides of aparatus for the ball's motion
- both balls should hit the floor at the same time, showing uniform acceleration
