Newton’s Law

Galileo was the first to make a systematic study of the motion of a body under the gravity of the Earth. He dropped various objects…

Special features of the law (i) The gravitational force between two bodies is an action and reaction pair. (ii) The gravitational force is very small…

Example 1: A block with mass M = 5.1 kg sits on a massless plank of length L = 2.3 m. The plank is supported…

For an object in the gravitational field of the Earth, the mechanical system is the object and the Earth. The force [interaction] is described by…

The weight W = mg is the gravitational force that the Earth exerts on an object with mass (m). In general, there is an attractive…

First law: Object remains in a state of rest or in a state with constant velocity, unless compelled to change by a net force. The…