NCERT Exercise 3.7 - Motion in a Plane
Question: Given , which of the following are true? (a) , , , must each be null vectors (b) The magnitude of ( ) equals the magnitude of ( ) (c) The magnitude of can never be greater than the sum of magnitudes of , , (d) must lie in the plane of and
Answer: (a) **False**; (b) **True**; (c) **True**; (d) **True**.
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