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[khinphyo]

1.A quantity that has both magnitude and direction is called a ……… .

1. The thing that cause the body to move is called ……… .
2. The magnitude of resultant vector of two vectors have the same magnitude and opposite
   direction is ………. .
3. The ……… changes the state of motion of a body.
4. The new vectors obtained from sub-dividing a vector is called ……… .
5. Q ⃗ and - Q ⃗ are in ……… directions.
6. Time is not a ……… quantity.
7. Displacement is not a ……… quantity.
8. The maximum value of the resultant of two vectors acting at a point occurs when they are in
   ………. directions.
9. If the sum of the vectors is zero, the two vectors have same magnitude and ………
   directions.
   11.Quantities that have only ………. are called scalars.
10. A ……… has both magnitude and direction.
11. The change in position along a certain direction is called ……… .
12. Force is a ……… quantity.
13. Mass is a …….. quantity.
14. The combined effect of two (or) more vectors is called …….. .
15. The vector sum of two vectors is called ……… vector.
    18.The process of sub-dividing into two or more vectors is called ……… .
16. A vector can be represented by an ………. .
17. Vectors of ………. kinds may not be added.
18. Only vector quantities of ………. kind may be added.
19. If D ⃗ =-4C ⃗, the magnitude of D ⃗ is ………. than that of C ⃗.
20. If A ⃗, B ⃗ and C ⃗ satisfy the equation A ⃗+B ⃗-C ⃗=0, then C ⃗ is ……… vector of A ⃗and B ⃗.
21. The magnitude of the resultant force of a 12 N pointing east and a force of 5 N pointing
    south is ……….. N.
22. A vector of magnitude 100 units is inclined at angle 45° to the X-axis. The magnitude of
    X-component is ……… .
    Key>>>
    1.vector 2. force ctor 15. scalar 16. resultant 17. resultant 18. resolution of a vector 19. arrow 20. different 21. same
23. greater 23. resultant 24. 13N 25. 70.71 units
    True\False
    1.A physical quantity which has direction as well as magnitude is known as vector,
24. Displacement has both magnitude and direction.
25. The sum of three vectors, having unequal magnitude, can be equal to zero.
    4.If P ⃗ + Q ⃗=0, P ⃗and Q ⃗ have the same magnitude.
26. Vector R ⃗ and –R ⃗ have the same directions.
    6.All basic quantities are scalar.
27. A vector quantity has no direction.
28. A weight vector and a displacement vector can be added.

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