If the direction of velocity changes continuously and speed remains constant, then the body will be in ………….. Motion.

Is the direction of motion constant ?

Show that the direction of velocity is tangent to the path at a point of interest when a body is in uniform circular motion.

(A): Magnitude of average velocity is equal to average speed, if velocity is constant. (R) : If velocity is constant, then there in no change in the direction of motion. Projectile motion .

Give an example to each situation in daily life. i) Speed changes when direction remains constant. ii) Direction of motion changes when speed remains constant. iii) Speed and direction simultaneously change.

(A): The direction of velocity vector remains unchanged though the coordinate system is changed (R): The direction of real vector is indepen dent of coordinate system

(A): Two similar trains are moving along the equatorial line with the same speed but in opposite direction. They will exert equal pressure on the rails. (R): In uniform circular motion the magnitude and direction of acceleration remains constant but the direction of motion continuously changes.