1D60.20 Bat and Blocks
Concepts
Free-fall, projectile motion, kinematics
Overview
Two blocks are launched simultaneously by striking a plank of wood with a baseball bat. One drops straight down while the other is given a horizontal component of velocity. They both strike the floor at the same time.
Details
Equipment
- [1] Block holder
- [1] Ladder
- [2] Wooden block
- [2] C-clamp
- [1] Baseball bat
Classroom Assembly
- Place ladder in upright position.
- Clamp block holder to the ladder, careful to ensure the holder has required range of motion to launch blocks.
- Place wooden blocks in position on block holder.
Important Notes
- Ensure no one will be hit by flying blocks or the spinning plank!
- The block holder should be securely clamped!
Script
- Ask students to predict which block hits the ground first.
- Use the bat to strike the black taped part of the block holder with moderate force.
Additional Resources
References
- PIRA 1D60.20
Disclaimer
- Don't attempt this at home!
- SFU is not affiliated with any external sites linked here and is not responsible for their content.
Last revised
- 2021
Technicals
Related AV
- Harvard University has a video of a similar demonstration.
Related demos
- Monkey hunter
If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.