Question

A boy does a trick by pulling a tablecloth from underneath the plates kept on a table, without dropping them. This trick is based on

a) Newton's first law of motion
b) Newton's second law of motion
c) Newton's third law of motion
d) Law of conservation of momentum​

Answer 1

Answer:

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Answer 2

The correct answer to the above question is (a), that is it is based on Newton's first law of motion.

• Newton's first law of motion state that a body continues to be in rest or motion until or unless an external force is applied.
• In the above question, the tablecloth is pulled quickly underneath the plates because it is pulled by an external force, whereas plates are not subjected to any force. so plates will remain at rest, and only the tablecloth will move.
• So, it is following Newton's first law of motion.