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Statement type questions.1) Both I and II are true 2) Both I and II are false 3) I is true and II is false 4) I is false and II is true. 7. Statement I: The direction of hat i is always along horizontal hat j Statement II: The direction of is along positive x axis. 8. Statement I: A vector is described by overline A =A x hat i +A y j+A z k, then A y is a scalar. Statement II: The projection of a vector is a scalar 9. Statement I: When a vector is rotated, its magnitude remains constant Statement II: The magnitude of a vector is independent of the coordinate system. 10. Statement 1: Vector sum of three coplanar forces can be zero(HW) Statement II: Minimum number of unequal coplanar vectors required to keep a point in equilibrium is three. |
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