what do you mean by hard material and soft material
Answers
Soft materials are materials that canbe easily deformed by thermal stresses or thermal fluctuations at about room temperature.Soft materials include liquids, polymers, foams, gels, colloids, granular materials, as well as mostsoft biological materials.
The general ability of a material to withstand an applied force. ... Hardness is a measure of how easily a material can be scratched or indented.Hard materials are often also very brittle - this means they have a low resistance to impact . Well known hard materials include diamond and hardened high carbon steels.
Answer:
Those materials cannot be easily compressed or dose not scratch is called hard material.
eg iron, steel etc
The material easily compressed and scratch is called soft material.
eg cotton , paper