1
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Conservation of momentum in a collision between particles can be understood on the basis of
A
Newton's first law of motion
B
Newton's second law of motion
C
Both Newton's second law of motion and Newton's third law of motion
D
conservation of energy
2
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Two forces, one of 3 N and another of 4 N are applied on a standard 1 kg body, placed on a horizontal and frictionless surface, simultaneously along the X-axis and the Y-axis, respectively, as shown below.

Image

The magnitude of the resultant acceleration is
A
7 m/s2
B
1 m/s2
C
5 m/s2
D
$$\sqrt 7 $$ m/s2
3
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Magnetic meridian is an imaginary
A
line along North-South
B
point
C
vertical plane
D
horizontal plane
4
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
In SI unit of force 'newton' (N) is given by (where, 'kg' stands for 'kilogram' 'm' stands for 'metre' and 's' stands for 'second')
A
1 N = 2 kg-ms$$-$$2
B
1 N = 1 kg-ms$$-$$2
C
1 N = 4 kg-ms$$-$$2
D
1 N = 3 kg-ms$$-$$2
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