1 |
Slope of velocity time graph describes a physical quantity called. |
Displacement
Average velocity
Average acceleration
Momentum
|
2 |
10 N and 20 N are acting on a body of mass 2 kg the minimum acceleration will be. |
10 ms-2
20 ms-2
60 ms-2
5 ms-2
|
3 |
A body covers a distance of 10 m in 1 sec with a constant velocity of 10 ms-1 , Acceleration produced by the body is. |
0 ms-1
2 ms-2
5 ms-2
10 ms-2
|
4 |
A paratooper moves downward with |
Zero acceleration
Constant acceleration
Positive acceleration
Negative acceleration
|
5 |
If a mass of a body is doubled, then acceleration becomes. |
Double
Half
One fourth
Constant
|
6 |
Unit of acceleration is |
ms-1
ms
ms-2
m2s
|
7 |
when a ball is throng straight up, the acceleration at its highest point is. |
Upward
Down ward
Zero
Horizontal
|
8 |
When average velocity becomes equal to instantaneous than body is called moving with. |
Instantaneous acceleration
Constant acceleration
Constant velocity
Variable velocity
|
9 |
the shortest distance between two points is called. |
Speed
Acceleration
Distance
Displacement
|
10 |
A collision in which K.E. of the system is not conserved is |
Elastic collision
Inelastic collision
3rd low of motion
None of these
|
11 |
Total change in momentum of an isolated system is |
Always (+) ve
Always (-) ve
Has maximum value
Zero
|
12 |
The time rate of change of momentum equals |
Weight
Applied force
Impulse
Mass
|
13 |
The action and reaction never act on |
Same body
Two bodies
many bodies
All of these
|
14 |
A force applied on a body produces acceleration in |
Opposite direction
perpendicular direction
Its own direction
In any direction
|
15 |
A frame of reference stationed at the earth is an |
Inertial frame
None internal frame
Accelerated frame
Laboratory frame
|
16 |
The mass of a body is quantitative measure of its |
Motion
Inertia
Weight
All of these
|
17 |
Newton's laws of motion were published in |
1587
1687
1787
1887
|