1 |
If velocity time graph is parallel to time axis, then acceleration of moving body will be. |
Maximum
Positive
Zero
Negative
|
2 |
The area between velocity time graph and the time axis is numerically equal to. |
?Speed of object
Distance covered by the object
Average velocity of the object
Acceleration of the object.
|
3 |
When the body moves with constant acceleration the velocity time graph is |
Parabola
Hyperbola
Straight line
Curve
|
4 |
If the slope of a velocity time graph gradually decreases than body is said to be moving with |
Positive acceleration
Negative acceleration
Uniform velocity
None
|
5 |
The slope of velocity time graph shows |
Total distance covered
Average acceleration
Instantaneous acceleration
Torque
|
6 |
Slope of velocity time graph describes a physical quantity called. |
Displacement
Average velocity
Average acceleration
Momentum
|
7 |
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
|
8 |
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
|
9 |
A paratooper moves downward with |
Zero acceleration
Constant acceleration
Positive acceleration
Negative acceleration
|
10 |
If a mass of a body is doubled, then acceleration becomes. |
Double
Half
One fourth
Constant
|
11 |
Unit of acceleration is |
ms-1
ms
ms-2
m2s
|
12 |
when a ball is throng straight up, the acceleration at its highest point is. |
Upward
Down ward
Zero
Horizontal
|
13 |
When average velocity becomes equal to instantaneous than body is called moving with. |
Instantaneous acceleration
Constant acceleration
Constant velocity
Variable velocity
|
14 |
the shortest distance between two points is called. |
Speed
Acceleration
Distance
Displacement
|
15 |
The dot product of two vectors A and B will be zero, if angle between A and B is |
Zero
30<sup>o</sup>
90<sup>o</sup>
180<sup>o</sup>
|
16 |
When a fore of 100 N is acting on an object along x-axis then its vertical component will be. |
50 N
0 N
25 N
10 N
|
17 |
A direction of torque is |
Along the position vector r
Perpendicular to both r and f
Along the direction of force F
Opposite to the direction of r
|