__ object is parent object of all other object.​

Objective

Force between two objects of equal masses is F, If 25 % mass of one object is transferred to the other object, then find the new force.

The inertia of an object tends to cause the object

When sepration between the central maxima of the two object is less than the separation between central maximum of first object and the first minima of the first object and the first minima of the first object, then the objects are said to be

A positively charged object is kept near a metallic object. If we connect the metallic object to earth, then describe how charge flows.

The image of an object placed in front of a concave mirror found to coincide with object itself. The position of the object is ______.