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.
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.
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1 Answer
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This is a Multiple Choice Questions type Questions as classified in NCERT Exemplar
Answer- c
Explanation –consider the adjacent diagram
OA= p1= initial momentum of player northward
AB= p2= final momentum of player towards west
OB= OA+AB
Change in momentum = P2-P1= AB-OA so we can say that AR will be along south west.
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