All Flashcards
What are the key differences between linear velocity () and angular velocity ()?
Linear Velocity (): The rate of change of linear position, depends on radius. | Angular Velocity (): The rate of change of angular position, uniform in a rigid system.
What are the key differences between linear acceleration () and angular acceleration ()?
Linear Acceleration (): The rate of change of linear velocity, depends on radius. | Angular Acceleration (): The rate of change of angular velocity, uniform in a rigid system.
Compare and contrast angular velocity and tangential velocity.
Angular Velocity: Rate at which an object rotates (rad/s), constant for all points on a rigid rotating object. Tangential Velocity: Linear speed of a point on a rotating object (m/s), depends on the radius.
Compare and contrast angular acceleration and tangential acceleration.
Angular Acceleration: Rate at which angular velocity changes (rad/s²), constant for all points on a rigid rotating object. Tangential Acceleration: Linear acceleration of a point on a rotating object (m/s²), depends on the radius.
Define angular displacement ().
The angle through which a point or line has been rotated in a specified direction.
Define angular velocity ().
The rate of change of angular displacement with respect to time.
Define angular acceleration ().
The rate of change of angular velocity with respect to time.
Define arc length ().
The distance along a curved path.
Define tangential acceleration ().
The component of acceleration of a point on a rotating object that is tangent to the circle of motion.
What is a 'rigid rotating system'?
A system that maintains its shape and size during rotation, where all points share the same angular velocity and angular acceleration.
Define angular displacement ().
Angular displacement is the angle through which a point or object has been rotated in a specified direction.
Define angular velocity ().
Angular velocity is the rate of change of angular displacement with respect to time.
Define angular acceleration ().
Angular acceleration is the rate of change of angular velocity with respect to time.
Define tangential acceleration ().
Tangential acceleration is the linear acceleration of a point on a rotating object, tangent to the circular path.
Define 'rolling without slipping'.
Rolling without slipping is a type of motion where a rotating object moves along a surface without sliding; the point of contact between the object and the surface is instantaneously at rest.