gravitational and electric fields Flashcards
1
Q
Newton’s Law of
Universal Gravitation
A
Every particle with mass in the universe attracts every other particle with a force which is directly proportional to the product of their masses and inversel ro rtional to the uare of the distance between their centres.
2
Q
Gravitational field
A
The force acting per unit mass. It is described as a region in space where a mass will experience a force.
3
Q
Coulomb’s law
A
Two point charges in free space or air exert forces on each other. The force is directly proportional to the product -of the charges and inversely prerational to the square of the distance between the char es