Note: many of these formulas— specifically projectile motion ones— can also be found in Physics 1 Review, but in slightly different forms as those are not specifically put into angular terms.
Linear vs Angular Equations
Linear Equation ( = constant) | Angular Equation ( = constant) |
---|---|
Frequency
- , frequency, in Hz
- , time, in seconds
Angular Kinematics
(Really cringey) application-based explanations at Rotational Kinematics Basics
Rotations
One rotation is equal to radians.
Angular Speed
- , angular speed, in radians per second (OR rotations per minute)
- , change in angle, in radians
- , change in time, in seconds
- , frequency, in hertz
- , time period, in seconds
Angular Acceleration
- , angular acceleration, in radians per second squared
- , final angular speed, in radians per second
- , initial angular speed, in radians per second
- , change in time, in seconds
- , tangential acceleration
Angular Motion
- , final angular speed, in radians per second
- , initial angular speed, in radians per second
- , change in time, in seconds
- , angular acceleration, in radians per second squared
- , final angle, in radians
- , initial angle, in radians
Angular Distance
- , angular distance, in radians
- , angular speed, in radians per second
- , change in time, in seconds
- , angular acceleration, in radians per second squared
Torque
Torque is equal to the distance of a force from a pivot point/fulcrum times the magnitude of the that force .
- , torque, in Newton meters (Nm)
- , distance, in meters
- , force, in Newtons