Question

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.​

Answer 1

Answer:

Both l and llare true both l and ll are true