Same chapter3 marksDifficulty: Medium
State Newton's law of universal gravitation.
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3 marksDifficulty: Medium
Distinguish between mass and weight.
Original Khojo Papers practice question — not from a past board paper.
Answer
Mass is the quantity of matter in a body, is a scalar measured in kilograms, and is the same everywhere. Weight is the force with which the earth attracts the body, is a vector measured in newtons, and changes from place to place because g changes.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A body of mass 1 kg weighs about 9.8 N on the earth and about 1.6 N on the moon.
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