Processing Math: Done
Introduction to forces
From Mechanics
Newton's First Law
A particle will move with a constant velocity or remain at rest if the resultant force on the particle is zero.
Equilibrium
If the resultant force on a particle is zero, then the forces acting on the particle are said to be in equilibrium.
The Universal Law of Gravitation
67
10−11 kg-1m3s-2
Gravity on Earth
The force of gravity is often called the weight.
8 ms-2
Data
Radius of Earth is
37
106
Mass of Earth is
98
1024