is the particles of liquid for the translational motion vibratory and rotatory motion with example
Answers
Why does a tornado spin so fast or a hanging mobile take so long to stop moving? To answer these questions we need to talk about rotational motion.
In other video lessons, we've discussed statics, kinematics and forces, but always in relation to translational motion. Translational motion is motion that involves the sliding of an object in one or more of the three dimensions: x, y or z. But an object can still be moving even when it's just sitting at a particular x-, y- and z-coordinate; it can still spin.
Rotational motion is where an object spins around an internal axis in a continuous way. An ice-skater can do this by spinning on the spot. She will give herself rotational energy. And because energy is always conserved and a smaller object must spin faster to have the same energy, when she moves her arms in towards her body, her rotation speed will increase - the spinning will get faster and faster.
This is also the reason that tornadoes spin so fast. Before the tornado forms, the air in general is rotating at a large radius. But if that radius decreases, the spinning gets faster, until you have a storm with incredible power.
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