Question

b)
c)
Inertia of an object depends on its mass as well as shape and size.
When a boy beats a carpet with a stick, dust is removed fom the carpet on account of force
applied by the boy on the carpet.
A new substance is formed in a physical change.
A compound is formed by chemical combination of atoms in a definite proportion.
The components of a colloidal solution can be separated by ordinary filtration.
The function of stratified epithelium is protection.
Vaccines do not kill the pathogen but strengthen the immune system
9)​

Answer 1

Answer:

When a carpet is beaten with a stick, the dust comes out of it because of law of inertia.

Initially the dust particles are at rest along with the carpet. Beating the carpet with the stick makes the carpet to move but the dust particles remain at rest due to inertia at rest, thus the dust gets detached from the carpet

Explanation:

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