1 |
Rate of change of displacement is called |
Speed
Velocity
Kinetic energy
None of these
|
2 |
Rate of change of velocity is called |
Speed
Acceleration
Displacement
Torque
|
3 |
The shortest distance between two points is called |
Distance
Amplitude
Displacement
Is a number
|
4 |
The motion and rest are |
Absolute
Relative
Mutual
All of these
|
5 |
In matter, the Atoms are in a state of never ending |
Motion
Rest
Change
State of decline
|
6 |
When a vector is multiplied by a (-)ve number its direction |
Remains constant
Reversed
Change by 90°
None of these
|
7 |
The components of a vector which are perpendicular to each other are called |
Horizontal components
Vertical components
Rectangular components
All of these
|
8 |
Parallel vectors of same magnitude will be |
Equal
Opposite
Both a and b
None of these
|
9 |
The direction of null vector can be |
(+) ve
(-) ve
Arbitrary
Zero
|
10 |
The sum of two or more vectors will be a single vector called |
Component vector
Position vector
-ve vector
Resultant vector
|
11 |
|
Unit vector
+ve of a vector
Resultant vector
-ve of a vector
|
12 |
|
|
13 |
The subtraction of a vector is equivalent to the addition with |
Same direction
Perpendicular direction
Reversed direction
All of these
|
14 |
Head to tail rule is used for |
Addition of vectors
Subtraction of vectors
Multiplication of vectors
Division of vectors
|
15 |
The angle between x-axis, y-axis and z-axis is |
45°
60°
75°
90°
|
16 |
Direction of a vector in space requires |
Two axis
Three axis
Four axis
Both a and b
|
17 |
Usually the x-axis is taken as |
Vertical axis
Horizontal axis
+ve axis
-ve axis
|