Question

when a hanging carpet is beaten with a stick, the dust particles start falling out of it . give reason

Answer 1

Law of inertia is also known as Newton's first law of motion which states that a body continues to be in a state of rest and in continuous motion until unless an external force is applied on it. The dust particles are in a state of rest until beaten with a stick( here external force is beating of stick on carpet).

Answer 2

when hanging carpet is beaten with stick then dust particles seprates from carpet because .
when we beat carpet it changes it shape but dust particles tends to be in their own place because of inertia due to this dust particles are separated from it.