Discuss the observation of Galileo for the objects falling freely.

Give initial velocity of object falling freely.

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

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

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

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

Discuss the historical observation of frictional electrics.

Discuss the motion of an object under free fall. Neglect air resistance.

Free-fall : Discuss the motion of an object under free fall. Neglect air resistance.

Which of the diagrams in figure correctly shows the change in kinetic energy of an iron sphere falling freely in a lake having sufficient depth to impart it a terminal velocity ?

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.