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Motion & Stability Concept Map
5
Types of Interactions
Stability & Instability
3-PS2-1
Motion & Stability
Forces & Motion
Forces & Motion
What is Force & Motion
Force: any push or pull on an object that could cause a change in motion (contact or non-contact)
Motion: an act of moving. Force causes motion
Video about Forces
Forces
Video about Motion
Motion
Types of Interactions
What are types of interactions?
*Remember: gravitational, electric, and magnetic forces between a part of objects do not require that they be in
contact.
Gravitational forces: objects with mass are sources of gravitational fields and are affected by the gravitational fields of all other obects of mass. Gravitational force pulls objects to the planet's center.
Electric and magnetic forces can be attractive or repulsive
Force Interactions
Intercations
Stability Vs Instability
What is Stability & Instability or physical systems?
Stability: a stable system is one in which the internal and external forces are such that any small change results in forces that return the system to its prior state
Instability: a system can be static but unstable, with any small chamge leading to forces that tend to increase that change
Stable systems
Vs
Unstable systems
Stability
vs
Instability
Example of a stable system:
- a weight hanging from a string
- an hourglass before it gets turned upside down
- warm water
- boat floating on water
Example of an unstable system:
- a ball at the top of a hill
- boiling water
- wind pushing a boat
The Forces of Wind
Stability Vs
Stability
Activity
PS2: Motion & Stability
Great websites!
https://manoa.hawaii.edu/sealearning/standards-alignment/next-generation-science-standards-ngss/physical-science-performance-expectations/ps2-motion-and-stability-forces-and-interactions
https://www.generationgenius.com/balanced-and-unbalanced-forces-for-kids/