A particle moves 10 m east, 10 m north, 10 m west and then 5 m south. Find the magnitude of its resultant displacement in metres.
Physics · Mathematical tools and vector · Vector
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Question

A particle moves 10 m east, 10 m north, 10 m west and then 5 m south. Find the magnitude of its resultant displacement in metres.

G1 Physics · Accepted Answer

East and west cancel. Net vertical displacement=10−5=5 m north, so magnitude=5 m.