Simple Pendulum

A simple pendulum is a heavy mass (bob) suspended by very low weight inextensible and flexible string which undergo to and fro motion in a plane from mean position. This to and fro motion of…

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Circular Motion

Circular motion refers to the movement of an object in a circular path. By circular we mean motion about a fixed point. The most suitable examples of circular motion includes motion of the planet around…

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Variation of g

The value of g at the surface of the earth is given by the equation and its average value on the surface of the earth is about . But we have to remember that the…

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Newton’s law of Gravitation

The motion of heavenly objects like Planets, sun, natural satellites etc has drawn a lot of attention in the past the the mystery of their motion remain unsolved until 1665. Sir Issac Newton at the…

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Elastic collision in one dimension

Any collision is elastic if the total kinetic energy of the colliding particles remains conserved. Let us consider two bodies A and B with masses and are moving with the initial velocity and respectively in…

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Escape velocity

We all know that everything thrown vertically upward will eventually fall down. When we throw an object, it moves up to a maximum height and then comes back to the surface. The maximum height attained…

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