Angular Kinematics I

These flashcards cover key concepts related to Angular Kinematics, including definitions of angular position, velocity, and displacement.

Angular Kinematics

The kinematics of rotational motion; the study concerned with the description of angular motion independent of torque.

Angular Position

orientation of a line with other line or plane

Absolute angular position

angle your lower leg makes with horizontal plane

Relative angular position

angles formed by limbs

Radians

A ratio of the arc length of a circle subtended by an angle, divided by the radius of the circle.

1 Radian

An angle at the center of a circle whose arc length is equal to the radius.

Angular Displacement

The change in angular position, represented as Δθ = θfinal - θinitial for degrees, and Δθ = arc length (l) / radius (r) for radians.

Angular Displacement

• the change in angular position

• has direction

Angular Velocity

The rate of angular displacement, represented with the Greek letter omega (ω), measured in radians per second (rad/s) or degrees per second (°/s).