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  • Question 1
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    In the space, if the sum of vectors of unequal magnitude is zero, then the minimum number of vectors are

  • Question 2
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    If is perpendicular to , then which of the following statement is correct?

  • Question 3
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    The angle between the two vectors 

    is:

  • Question 4
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    If then which of the following statements is incorrect?

  • Question 5
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    When a force of magnitude F acts on a body of mass m the acceleration produced in the body is a. If three coplanar forces of equal magnitude F act on the same body as shown in the figure, then acceleration produced is

  • Question 6
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    Three forces each of magnitude 1 N act along with the sides AB, BC, and CD of a regular hexagon. The magnitude of their resultant is:

  • Question 7
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    If a unit vector ˆj is rotated through an angle of 45° anticlockwise, then the new vector will be:

  • Question 8
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  • Question 9
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  • Question 10
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    If a vector is inclined at angles, α, β, and γ with x, y, and z-axis respectively, then the value of sin2 α + sin2 β + sin2 γ is equal to

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