Question

why plastics It Breaks into smaller pieces when hit by a hammer​

Answer 1

Answer:

Here the intermolecular forces of attraction between the particles are identified or mentioned. Since in plastics the particles forces between the plastics particles are not so strong hence they can be easily broken up while the interparticle distance between the particles of iron is strong as there are strong metallic bonds between them. Hence they cannot be easily broken down.

Answer 2

Because of intermolecular particles in the hammer