AIIMS 2018 Physics Impulse and Momentum Assertion Reason Question
Assertion: A quick collision between two bodies is more violent than slow collision, even when initial and final velocities are identical. Reason: The rate of change of momentum determines that the force is small or large.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Correct Answer
Detailed Explanation
Option A is correct because both the assertion and reason are true: a quick collision results in a greater rate of change of momentum, leading to a larger force, which makes the collision more violent compared to a slow collision, even if the initial and final velocities are the same. This relationship is rooted in Newton's second law, where force (F) is defined as the rate of change of momentum (Δp/Δt). Other options are incorrect because they either misrepresent the truth of the assertion or the reason, or fail to connect the two concepts effectively. For instance, option C incorrectly suggests that the reason is false, while it actually supports the assertion.
Found an issue with this question?