Q5 of 21 Page 267

Give SI unit of angular velocity.

SI unit of angular momentum is Radian per second (rad-s-1)


Explanation:


Since,


Angular Velocity =


SI unit of


• is radians


• is seconds


Hence


SI unit of Angular velocity is radians per second (rad s-1)


More from this chapter

All 21 →
3

Give two examples of vector quantity.

 4

Define average speed.

 6

Give two uses of graphical representation of motion.

 7

What is meant by uniform circular motion? Why do we need a force to keep a body moving uniformly along a circular path? Name this force.