What is meant by axis of rotation ?

What is meant by crop rotation ?

What is meant by magnetic axis?

What is meant by n-fold axis of symmetry?

What is meant by acceleration sue to gravity ? Discuss the varitation of g with (i) height, (ii) depth and (iii) rotation of earth.

Radius of gyration of a body amount an axis of rotation is equal to the _________ distance of its particles from the axis of rotation

The moment of Inertia of a particle about an axis of rotation is 0.2kgm^(2) .If the angular momentum of the particle about the axis is 0.4kgm^(2)/s ,then what is the rotational kinetic energy of the particle?