A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts on the player while tu - Physics MCQ NEET 2023 2026 | ExamTest.live | ExamTest.live

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A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts on the player while turning is:

A $Along Eastward$
B $Along Northward$
C $Along North-East$
D $Along South-West$

Solution & Step-by-step Explanation

Force is in the direction of change in momentum Δ p . v_{ini t ia l} = - v \hat{j} (South) v_{f ina l} = v \hat{i} (East) Δ v = v_{f} - v_{i} = v \hat{i} - (- v \hat{j}) = v \hat{i} + v \hat{j} The vector v \hat{i} + v \hat{j} points in the North-East direction.

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A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts on the player while turning is:

A

Along Eastward

B

Along Northward

C

Along North-East

D

Along South-West

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