| 1 |
Net force n the body falling in air with uniform velicyt is equl to. |
Zero
Weight of the body
Are resistance on the body
Difference of weight of body and air resistance on it.
|
| 2 |
An object of mass 1 kg placed at earth's surface experience a force of. |
1 N
9.8 N
100 N
Any Value
|
| 3 |
The force which moves the car is |
Force of friction between road tyre
Force developed by engine
Uniform velocity
Water split on the road
|
| 4 |
A force acts on a boyd for 2 seconds and it produces 50 kg m/s chagne in its momentum. The force acting on the body |
25 N
100 N
2 N
50 N
|
| 5 |
Thrust force is a consequence of which law of motion. |
First
Second
Third
Fourth
|
| 6 |
A book of mass 5 kg is placed on the table, the magnitude of net force acting on the book is. |
0 N
25 N
5 N
10 N
|
| 7 |
Change in momentum of a body is equal to |
Force Velocity
Force Time
Mass time
Force
|
| 8 |
The rate of change of momentum of free falling body is equal to its. |
Size
Velocity
Weight
Momentum
|
| 9 |
N kg-1 is equivalent to |
m s-1
m s-2
k g ms-1
kg m s-2
|
| 10 |
SI unti of linear momentum is |
kgm-1 s-1
kg m s-1
kg m2 s-1
Nm
|
| 11 |
A force n 5 N is applied to a body weighing 10 N. Its accelerationin m/s2 is |
0.5
2
5
50
|
| 12 |
When a hanging carpet is beaten by stick Dust flies off the carpet It is mainly due to. |
Action force on carpet
Inertia of dust
Reaction force by carpet
Rate of change of momentum of carpet
|
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