Chapter 2Kinematics in one-Dimension
Chapter 2 Kinematics in oneDimension
Mechanics: study of the motion of objects, and therelated concepts of force and energy.Kinematics: how objects moveDynamics: why objects move as they doParticle & Translational motion
Mechanics: study of the motion of objects, and the related concepts of force and energy. Kinematics: how objects move Dynamics: why objects move as they do Particle & Translational motion
Reference framesMoonMoonOrbit of EarthEarthSunReference frameDescribing motion
Reference frames Earth Moon Sun Moon Orbit of Earth Describing motion Reference frame
Coordinate systemCoordinate systemSpecifying motionRectangular coordinatesZx-y-z coordinate axesyPosition: (x, y, z)0x1-Dimension → x axis
Coordinate system Rectangular coordinates x-y-z coordinate axes Specifying motion Coordinate system x z o y Position: (x, y, z) 1-Dimension → x axis
Position &displacementPPosition of P → x0xMotional equation : the t function of positionx = x(t)Displacement : the change in position△x = X2 - XiDistance traveled → sBAc
Position & displacement Motional equation：the t function of position o x Position of P → x . . P x x t = ( ) Displacement：the change in position 2 1 = − x x x Distance traveled → s A B C