component is ……… .
Key>>>
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 added.
- The magnitude of the resultant of the force 6 N east and a force of 8 N north is 14 N.
- When a boy is in motion , there is a change in position.
- A quantity that has inly magnitude and is called ………… .
- A scalar is the magnitude of a vector .
- A vector can be expressed by an arrow.
- The sum of two (or) more vectors is called vector component.
- If X ⃗ = -Y ⃗, then X ⃗ and Y ⃗ have the same magnitudes.
- Distance is a scalar quantity.
- The sum of two vectors , having unequal magnitudes, be equal to zero.
- Force has both magnitude and direction.
- Time is a scalar quantity.
- If R ⃗= A ⃗+ B ⃗, then R ⃗ is the resultant vector of A ⃗and B ⃗.
- If P ⃗= 1/3 Q ⃗ , then the magnitude of P ⃗ is less than that of Q ⃗.
- Velocity vector v ⃗ and force F ⃗ may not be product.
- The new vectors obtain from sub-dividing a vector is called vectors components.
- Vector subtraction is, in fact vector addition.
- For given diagram,