Physics SL
5
Chapters
329
Notes
Theme A - Space, Time & Motion
Theme B - The Particulate Nature Of Matter
Theme C - Wave Behaviour
Theme D - Fields
Theme E - Nuclear & Quantum Physics
Physics SL
Theme A - Space, Time & Motion
Unlock Rotational Motion Secrets: Essential Guide & Examples
694 words
4 mins read
Last edited on 5th Nov 2024
Table of content
Rotational graphs in a nutshell 🌀
- Just like how you can create graphs for linear motion, you can also make graphs for rotational motion.
- Think of these graphs as cousins - similar in many ways, but each with its unique traits.
From graph to equation 📊
- Look at a graph of angular velocity (how fast something is spinning) vs. time.
- The space (area) below the graph line tells us about the angular displacement (how far something has spun).
- Math Fun! To get angular displacement, add up the areas: θ (angular displacement) = ωi t + ½ αt2.
The cool tool #3 - units matter! 🔍
- Be careful with units; they're not just there to look fancy!
- Time: Keep it simple. Always use seconds.
- Angular Velocity: Use radians per time unit. Most common: rads-1.
- Angular Acceleration: Matching time with angular velocity, usually rads-2. Avoid mixing units like rads-1 hour-1. (It's like mixing chocolate and pickles - not the best combo!)
- Angular Displacement: This one's a bit sneaky. There are many ways to define it, but using radians is the way to go for most calculations. Here’s a tip - 1 revolution around a circle = 2π rad.
Unlock the Full Content! 
Dive deeper and gain exclusive access to premium files of Physics SL. Subscribe now and get closer to that 45 🌟
Physics SL
Theme A - Space, Time & Motion
Unlock Rotational Motion Secrets: Essential Guide & Examples
694 words
4 mins read
Last edited on 5th Nov 2024
Table of content
Rotational graphs in a nutshell 🌀
- Just like how you can create graphs for linear motion, you can also make graphs for rotational motion.
- Think of these graphs as cousins - similar in many ways, but each with its unique traits.
From graph to equation 📊
- Look at a graph of angular velocity (how fast something is spinning) vs. time.
- The space (area) below the graph line tells us about the angular displacement (how far something has spun).
- Math Fun! To get angular displacement, add up the areas: θ (angular displacement) = ωi t + ½ αt2.
The cool tool #3 - units matter! 🔍
- Be careful with units; they're not just there to look fancy!
- Time: Keep it simple. Always use seconds.
- Angular Velocity: Use radians per time unit. Most common: rads-1.
- Angular Acceleration: Matching time with angular velocity, usually rads-2. Avoid mixing units like rads-1 hour-1. (It's like mixing chocolate and pickles - not the best combo!)
- Angular Displacement: This one's a bit sneaky. There are many ways to define it, but using radians is the way to go for most calculations. Here’s a tip - 1 revolution around a circle = 2π rad.
Unlock the Full Content!
Dive deeper and gain exclusive access to premium files of Physics SL. Subscribe now and get closer to that 45 🌟