When a blanket is beaten with a stick, the dust particles come out of it. This is in accordance with which of the following?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Newton’s first law of motion
Newton’s first law, the law of inertia, says that a body stays at rest unless an unbalanced force acts on it. The stick sets the blanket moving suddenly, but the dust particles, owing to their inertia of rest, stay where they were and so separate from the blanket and fall off.