Q 11-04-008NEETNEET 2023Top questionEasy
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 :
Answer: (C) along north-east
Concept. Force is along the change in momentum $\Delta\vec v = \vec v_f - \vec v_i$.
Step 1. Change. $v\hat E - v\hat S = v\hat E + v\hat N$.
Step 2. Direction. Equal east and north components: north-east.
Answer. Along north-east (Option C).
Solution by Sreeraj P, M.Sc Physics