Question

The regions of the spring in which spring is
compressed more than its normal position are
called
(a) compressions (b) rarefactions
c) troughs
(d) crests
​

Answer 1

Answer:

Torsion Spring

Explanation:

A torsion spring is a spring that works by twisting its end along its axis; that is, a flexible elastic object that stores mechanical energy when it is twisted. ... A torsion bar is a straight bar of metal or rubber that is subjected to twisting (shear stress) about its axis by torque applied at its ends.