FSC part 1 (1st year) Physics Chapter 6 Fluid Dynamics. In this video, Terminal velocity chapter example 6.1 has been described briefly.
When objects move with very small velocity through viscous fluids under the action of gravity they experience a drag force on them. In the beginning, objects falling under the action of gravity accelerates in the downward direction. As the velocity of the objects increases the drag force acting upon them also increases. Finally, there comes a time when drag force becomes equal to the weight. After this moment, the net force on the object is zero. Till now the object has gained maximum and constant velocity and it falls downward with this speed/velocity. Terminal velocity is directly proportional to density andsquare of radius of object & inversaly proportional to viscosity of fluid through which it is falling.
Numerical examples make the ideal much clear and helps to understand the theory.
Punjab text book board/Sindh text book board/KPK text book board inter part 1 physics book
This lecture is for Pre Medical / Engineering 11th class and has been recorded for all students who want to get real picture/idea of wonderful topic Fluid Dynamics.
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