hist cet
.A physical quantity must be expressed with its number and ……….. . 1.unit
- A unit is a ……….. quantity. 2.standard
- Mass is a ……..quantity. 3.basic
4.Area is a ……….quantity. 4.derived
5.The British system is also called the ……. system. 5.FPS - Length , mass and ……. called basic quantities. 6.time
7.The unit of mass in CGS system is ……….. . 7.gram
8.We use a ruler for measuring ……….. . 8.length - The SI unit of area is the ……… . 9.m2
10.The unit of length in …….. is the foot. 10.British system
quantity that has both magnitude and direction is called a ……… . - The thing that cause the body to move is called ……… .
- The magnitude of resultant vector of two vectors have the same magnitude and opposite
direction is ………. . - The ……… changes the state of motion of a body.
- The new vectors obtained from sub-dividing a vector is called ……… .
- Q ⃗ and - Q ⃗ are in ……… directions.
- Time is not a ……… quantity.
- Displacement is not a ……… quantity.
- The maximum value of the resultant of two vectors acting at a point