MTH103
Question: Which of the following is NOT a vector quantity?
Answer: Mass
Question: Direction is the angle between the vector and the three coordinate axes.
Answer: Cosines
Question: if \\[\\vec{a}=3i+5j\\]\n and \\ [\\vec{b}=7i+3j\\] then \\[\\vec{a}+\\vec{b}\\]\n is\n
Answer: \\[10i+8j\\]
Question: \\[\\vec{c}=2i- 4j,\\vec{d}=2i+6j,Wvec{e}=3i-j\\] then \\ [\\vec{c}+\\vec{d}-\\vec{e}\\]\n is
Answer: \\[-3i-9j\\]
Question: Find \\[\\vec{AB}+\\vec{BC}+\\vec{CD}+\\vec{DF}\\]
Answer: \\[ttvec{AF}\\]
Question: If W[Wvec{PQ}=5i-2j-4kW]\n then \\ [Weft I \\vec{PQ} Wright |W] is\n
Answer: 5
Question: A/An quantity is one that has magnitude but no direction.
Answer: Scalar
Question: If a = a force of 30N, acting in the east direction and b = a force of 40N, acting in the north direction. Then, the magnitude of the vector sum of these vectors is
Answer: 50N
Question: For position vector \\[\\bar{AB}\\]\n to occurs, point has to be fixed.
Answer: A
Question: Physical quantities are classified into
Answer: 2
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