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We can define motion as the change of position of an object with respect to time. A book falling off a table, water flowing from the tap, rattling windows, etc., all exhibit motion. Even the air that we breathe exhibits motion! Everything in the universe moves. We live in a universe that is in continual motion.
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Define kinematics. Kinematics is the branch of classical mechanics that describes the motion of points, objects and systems of groups of objects, without reference to the causes of motion (i.e., forces ). The study of kinematics is often referred to as the “geometry of motion.”. Objects are in motion all around us.
2. Kinematics definitions. • Kinematics – branch of physics; study of motion • Position (x) – where you are located • Distance (d) – how far you have traveled, regardless of direction • Displacement (Dx) – where you are in relation to where you started. Distance vs. Displacement.
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[BL] Have students practice describing simple examples of motion in the class from different reference frames. For example, slide a book across a desk. For example, slide a book across a desk. Ask students to describe its motion from their reference point, from the book's reference point, and from another student's reference point.
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Topic 3: Kinematics – Displacement, Velocity, Acceleration, 1- and 2-Dimensional Motion. to see a logical building of mechanics. Topic one activities have introduced. displacement and velocity and will now be enhanced. The instructor should. now define displacement, velocity and acceleration. A new displacement.
the projectile motion. Circular motion is a familiar class of motion that has a special significance in daily-life situations. We shall discuss unifor m circular motion in some detail. The equations developed in this chapter for motion in a plane can be easily extended to the case of three dimensions. 4.2 SCALARS AND VECTORS In physics, we can ...
