Give initial velocity of object falling freely.

Write the equation of velocity of an object falling freely from height h.

State stokes'law .By using it deduce the expression for : (i) Initial acceleration of smooth sphere and (ii) Equation of terminal velocity of sphere falling freely through the viscous medium. (iii) Explain : Upward motion of bubbles produced in fluid.

Discuss the observation of Galileo for the objects falling freely.

Assertion : Certain velocity of object freely falling in viscous liquid is know as terminal velocity . Reason : Terminal velocity and critical velocity are same .

Draw graphs a to t, v to t and x to t for the object falling freely.

What is free fall ? Write equations of uniformly accelerated motion for object falling freely.

Write equation of distance covered by object falling freely at n^(th) second. He has

Ratio of distances covered by object falling freely under gravity in 1 ^(st),2^(nd)&3^(rd) second 18 ........

Derive the equations of motion by using Velocity to Time graph. (a) v= u + at (b) s = ut + (1)/(2) at^(2) Where , v= Final velocity of an object . u= Initial velocity of an object . a = Acceleration of an object . t= Time duration .