Physics

Independent principle of forces: According to Newton’s second law of motion rate of change of momentum, a body will be active along the direction of…

It can be said that the motion produced in a body due to the combined effect of mass and velocity is the momentum of that…

Weak nuclear force: There are some elements found in nature which disintegrate spontaneously (for example; uranium, thorium etc). These nuclei are called radioactive nuclei. Three…

Strong nuclear force: The strong nuclear force is one of the four fundamental forces in nature; the other three are gravity, electromagnetism and the weak…

Electromagnetic Force: A kind of force exists between two charged bodies and between two magnetic materials. These are called Coulomb’s electric force and magnetic force…

Gravitational Force: In the universe, there exists a force of attraction between any two particles or objects. The force of gravity is the force with…

Uniform Circular Motion If you hold one end of a thread that has a stone fastened at the other end and if you rotate the…

Laws of Falling Bodies We know the reason behind the falling of the stone or paper is due to gravitational attraction. As acceleration due to…

Equation of motion of a horizontal projectile Let an object be thrown from a point O with velocity v0 along the horizontal direction [Figure]. If…

Trajectory of Projectile Motion is a Parabola If you go to a stadium to enjoy cricket game then you will see that the cricket ball…