Instructions

Each of these questions has an assertion (A) and a reason (R).

Question 157

Assertion (A): A person jumping out of the moving train falls forward because his feet suddenly come to rest, while his body is in motion with the train.

Reason(R): This is based on Newton's first law of motion, which states that a body remains at rest or in uniform motion unless acted on by an external force.

Solution

The assertion is correct, as a person jumping off the train falls forward. However, this happens mainly because of a change in inertia, and the reason given here does not actually elaborate on inertia, while it is true about Newton's first law of motion. Hence, both A and R are true, but R is not the correct explanation about A.

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