What is elastic fatigue ?

Why natural rubber has elastic nature ?

What is elasticity ? Explain it on the basis of molecular forces.

Which muscle is liable to fatigue T ?

What is meant by elastic limit ?

Accumulation of which substance makes a muscle fatigued ?

The waves originated in an elastic material are called ____ waves.

The radius of a cupper wie is 4 mm . What force is required to stretch the wire by 20% of its length, assuming that the elastic limit is not exceeded ? (Y = 1.2 xx 10^11 N/m^2)

Show that, for an elastic material, the young's ,modulus is numerically equal to the force required to stretch a rod of unit cross sectional area to twice its length.