Gravitation

This topic covers concepts such as gravitation, gravitation and motion of the moon around the earth, and gravitational force as centripetal force.

This topic covers concepts such as Kepler's laws of planetary motion, Kepler's law of orbits, Kepler's law of periods, and explanation of Kepler's laws.

This topic covers concepts such as universal law of gravitation, gravitational force on masses, universal gravitational constant, SI unit of gravitational constant, and gravitational force.

This topic covers concepts such as acceleration due to gravity of the earth, and expression for acceleration due to gravity of the earth.

This topic covers concepts such as mass of an object, weight of an object, weight of an object on the moon, comparison of weights of an object on the earth and the moon, and gravitational waves.

This topic covers concepts such as free fall, and motion of objects under the influence of gravitational force of the earth.

This topic covers concept of expression for gravitational potential energy.

This topic covers concepts such as conservation of mechanical energy, escape velocity, total energy of a body on surface of earth, and derivation of escape velocity based on conservation of energy.