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Circular motion
Starter
| Question | Answer |
|---|---|
| Units of angular displacement | Radians |
| To convert degrees to radians | Divide by 360 and multiply by 2π |
| To convert radians to degrees | Divide by 2π and multiply by 360 |
| Symbol for angular displacement | ϴ |
| The rate of change of angular displacement is called | Angular Velocity |
| The symbol for angular velocity | ω |
| We can calculate ϴ by | arc/radius |
| The equation for ϴ is | ϴ = s/r |
| We can calculate ω by | rate of change of ϴ |
| The equation for ω | ω=Δϴ/Δt |
| How many radians in a circle | 2π |
| The time for an object to complete a circle is | 2π/ω |
| The time for one complete rotation is called the | Period (T) |
| The equation for the period(T) is | T= 2π/ω |