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.

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The magnitude of the resultant acceleration is

Magnetic meridian is an imaginary

In SI unit of force 'newton' (N) is given by (where, 'kg' stands for 'kilogram' 'm' stands for 'metre' and 's' stands for 'second')

The acceleration due to gravity 'g' for objects on or near the surface of earth is related to the universal gravitational constant 'G' as ('M' is the mass of the earth and 'R' is its radius)