Complete the following based on Newton's law of gravitation.
a. According to Newton's law of gravitation, every object ______________ .
b. Mathematically, the gravitational force of attraction between aby two bodies can be written as _______________ .
c. `thereforeF= square`
d. Here, G is the constant of proportionality and is also called the ________________ .

Explanation

a. According to Newton.s law of gravitation, ..every object in the Universe attracts every other object with a definite force. This force is directly proportional to the product of the masses of two objects and is inversely proportional to the square of the distance between them...
b. Mathematically, the gravitational force of attraction between aby two bodies can be written as `F alpha(m_(1)m_(2))/(d^(2))`
c. `thereforeF=G(m_(1)m_(2))/(d^(2))`
d. Here, G is the constant of proportionality and is also called the Universal gravitational constant.