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A-hockey-player-is-moving-northward-and-suddenly-turns-westward-with-the-same-speed-to-avoid-an-opponent-The-force-that-acts-on-the-player-is-a-frictional-force-along-westward-b-muscle-force-alon




Question Number 22052 by Tinkutara last updated on 10/Oct/17
A hockey player is moving northward  and suddenly turns westward with  the same speed to avoid an opponent.  The force that acts on the player is  (a) frictional force along westward  (b) muscle force along southward  (c) frictional force along south-west  (d) muscle force along south-west
$$\mathrm{A}\:\mathrm{hockey}\:\mathrm{player}\:\mathrm{is}\:\mathrm{moving}\:\mathrm{northward} \\ $$$$\mathrm{and}\:\mathrm{suddenly}\:\mathrm{turns}\:\mathrm{westward}\:\mathrm{with} \\ $$$$\mathrm{the}\:\mathrm{same}\:\mathrm{speed}\:\mathrm{to}\:\mathrm{avoid}\:\mathrm{an}\:\mathrm{opponent}. \\ $$$$\mathrm{The}\:\mathrm{force}\:\mathrm{that}\:\mathrm{acts}\:\mathrm{on}\:\mathrm{the}\:\mathrm{player}\:\mathrm{is} \\ $$$$\left({a}\right)\:\mathrm{frictional}\:\mathrm{force}\:\mathrm{along}\:\mathrm{westward} \\ $$$$\left({b}\right)\:\mathrm{muscle}\:\mathrm{force}\:\mathrm{along}\:\mathrm{southward} \\ $$$$\left({c}\right)\:\mathrm{frictional}\:\mathrm{force}\:\mathrm{along}\:\mathrm{south}-\mathrm{west} \\ $$$$\left({d}\right)\:\mathrm{muscle}\:\mathrm{force}\:\mathrm{along}\:\mathrm{south}-\mathrm{west} \\ $$
Commented by ajfour last updated on 10/Oct/17
(c) frictional force in reaction  to muscle force stops player   going anymore northwards  and rather proceed westward.
$$\left({c}\right)\:{frictional}\:{force}\:{in}\:{reaction} \\ $$$${to}\:{muscle}\:{force}\:{stops}\:{player}\: \\ $$$${going}\:{anymore}\:{northwards} \\ $$$${and}\:{rather}\:{proceed}\:{westward}. \\ $$
Commented by Tinkutara last updated on 10/Oct/17
Thank you very much Sir!
$$\mathrm{Thank}\:\mathrm{you}\:\mathrm{very}\:\mathrm{much}\:\mathrm{Sir}! \\ $$

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