Q1 of 47 Page 8

Does the motion of second’s hand of a watch represent uniform velocity or uniform speed?

The motion of second’s hand represent uniform speed because as it is moving in a circular motion, its direction is changing at every point and hence uniform velocity will not be the case.

More from this chapter

All 47 →
19 Draw any two types of velocity-time graphs for a non-uniformly accelerated motion. 20 Define uniform circular motion. Give an three example. 2

A cyclist travels a distance of 4 km from P to Q and then moves a distance of 3 km at right angle to PQ. Find his resultant displacement graphically.

 3

A body starts to slide over a horizontal surface with an initial velocity of 0.5 m/s. Due to friction, its velocity decreases at the rate 0.105 m/s2. How much time will it take for the body to stop?