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.
What is the effect of increasing angular velocity on linear velocity?
Increasing angular velocity increases the linear velocity of a point on a rotating object, according to the relationship .
What is the effect of increasing angular acceleration on tangential acceleration?
Increasing angular acceleration increases the tangential acceleration of a point on a rotating object, according to the relationship .
What is the effect of increasing the radius on linear velocity, given a constant angular velocity?
Increasing the radius increases the linear velocity of a point on a rotating object, given a constant angular velocity, according to the relationship .
What is the effect of applying a torque to a rigid object?
Applying a torque to a rigid object causes it to experience angular acceleration.
What is the effect of a net force applied to the center of mass of an object?
A net force applied to the center of mass of an object causes linear acceleration.