Rotational Motion
Rotational Motion: Overview
This topic describes the characteristics of the rotational motion. A rotation is an object's circular motion around a rotational centre. One can also rotate a three-dimensional object around an infinite number of imaginary lines called rotation axes.
Important Questions on Rotational Motion
A heavy small mass is attached to one end of string whose other end is fixed on a cylinder which can rotate about an axis. Show that the point mass continuously, speeds up as the string uncoils.
State and explain the principle of conservation of angular momentum. Give at least two examples?
How will you distinguish between a hard-boiled egg and a raw egg by spinning each on a tabletop?
If the polar ice-caps of earth melt, shall the length of the day increases or decreases?
What is the relation between torque and power?
