Give an example of motion where there is a change only in speed but no change in direction of motion.

Give some examples of motion.

When direction of object moving on circular path is changed what will be change in direction of motion

On a long horizontally moving belt, a child runs to an fro with a speed 9 kmh^(-1) ( with respect to the belt) between his father and mother located 50m a part on the moving belt. The belt moves with a speed of 4 kmh^(-1) . For an observer on a stationery platform outside, what is the (i) speed of the child running in the direction of motion of the belt, (ii) speed of the child running opposited to the direction of motion of the belt , and (iii) time taken by child in (i) and (ii) ? which of the answers alter if motion is viewed by one of the parents?

Give example of situation in which an applied force does not result in a change in kinetic energy .

Give an example for the motion of an object of zero speed and with non zero acceleration?

Give example of a motion where x gt 0 , v lt 0, a gt 0 at a particular instant.

Give one example of uniform motion even if object has acceleration.

Velocity can change without change in speed.

On a long horizontally moving belt (From figure) a child runs to and fro with a speed 9 kmh^(-1) (with respect to the belt) between his father and mother located 50 m apart on the moving belt. The belt moves with a speed of 4 kmh-l. For an observer on a stationary platform outside, what is the (a) Speed of the child running in the direction of motion of the belt ? (b) Speed of the child running opposite to the direction of motion of the belt ? (c) Time taken by the child in (a) and (b) ? Which of the answers alter if motion is viewed by one of the parents ?