What causes force to act?

The sum of the magnitudes of two forces acting at a point is 16 N. The resultant of these forces is perpendicular to the smaller force has a magnitude of 8 N. If the smaller force is magnitude x, then the value of x is

A square current carrying loop is suspended in a uniform magnetic field acting perpendicular to the plane of the loop. If the force on one arm of the loop is vec(F) , the net force on the remaining three arms of the loop is

Force acting per unit area of a surface is called. .............

What do you understand by magnetic field ? What is the force acting on a moving charge in a uniform magnetic field ? Discuss the cases when the force is maximum and minimum.

What happens when the two forces act in the opposite directions on an object?

What happens to the force between two objects, if the mass of one object is doubled ?

What happens to the force between two objects, if the mass of one object is doubled ?

What is the torque acting on a dipole in the following two cases? When it is held perpendicular to E