System of particle Question based on torque

3 D || Basic OF 3 D|| Cartesian system || Example and Question Based on Tetrahedron

Linnaean system of plant classification is based on

Prove that the rate of change of total angular momentum of a system of particles is equal to the total torque acting on the system.

Questions based on digit problems ||Questions based on repetition & Not repetition case

The artificial system of classification is based on

Phylogenetic system of classification is based on