minimum at the centre to maximum at the circumference

maximum at the centre to minimum at the circumference

zero at the centre to maximum at the circumference

maximum at the centre to zero at the circumference

equal to

directly proportional to

inversely proportional to

none of the above

polar moment of inertia

polar modulus

diameter

angle of twist

to apply forces

to measure forces

to absorb shocks

to store strain energy

to apply forces

to measure forces

to store strain energy

to absorb shocks