Summary on FORCES By:Ethan Woo(31) 1 Elijah
作者:Woo Yi Zheng Ethan
1. Instruments used to measure force:
1.1. -Spring balance
1.2. Dynamometer
2. Useful Forces:
2.1. Brakes
2.2. Walking
2.3. Writing
2.4. friction
3. What?
3.1. Forces are anything that can cause a change in speed, shape or direction.
4. Forces as nuisance:
4.1. Wear and tear
4.2. Overheating