1.vector 2. force 3. zero 4.force 5. vector component 6.opposite
7.cector 8. scalar 9. same 10. opposite 11. magnitudes 12. vector
- displacement 14.vector 15. scalar 16. resultant 17. resultant 18. resolution of a vector 19. arrow 20. different 21. same
- 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,
- Displacement has both magnitude and direction.
- 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.
- Vector R ⃗ and –R ⃗ have the same directions.
6.All basic quantities are scalar.
- A vector quantity has no direction.
- A weight vector and a displacement vector can be add
10.The unit of length in …….. is the foot. 10.British system
- The standard of the number 5068 is ………. . 11.5.068 x 2103
12.Volume is the ………… quantity. 12.derived
- The unit of time in all system of measurement is the ………. . 13. kilogram
- The unit of mass in MKS system is ……… . 14.kilogram
15.The universe has the ………. size. 15.largest
16.The unit slug is the unit of ……… . 16.mass
- The SI unit is the modified form of …….. system. 17.MKS
- A watch can be used to measure the ……… . 18.time
- The mass of a boy is measured by a ……… . 19.balance
