Angular Kinematics Flashcards
angular kinematics
the study of the description of angular motion independent of torque
angular motion
occurs when all points of an object move in circular paths about the fixed axis
angle
formed by the intersection of two lines, two planes, or a line, & a plane
degree
DOES NOT SHOW LENGTH
radians
ratio of the arc length of a circle subtended by that angle, divided by the radius of the cicule
angular position
the orientation of a line with other line or plane
absolute angular position
the angle your lower leg makes with a horizontal line
relative angular position
angles formed by limbs at joints
angular displacement
the change in angular position
linear displacement
straight line between final & initial position
angular velocity
the rate of angular displacement
relationship between angular velocity & linear velocity
the linear velocity of a point farther from the axis of rotation is faster if the angular velocity is the same
angular acceleration
the rate of change of angular velocity
tangential acceleration
linear acceleration tangent to the path of rotation of a point
centripetal acceleration
the linear acceleration directed toward the center of rotation