Given below is a passage that consists of six sentences. The first and sixth sentence are given in the beginning. The middle four sentences have been jumbled up. These are labelled as P Q, R and S.
Choose the logical sequence of these sentences:
S1: A force exists between everybody in the universe.
P: Normally it is very small but when one of the bodies is a planet, like earth, the force is considerable.
Q: It has been investigated by many scientists including Galileo and Newton.
R: Everything on or near the surface of the earth is attracted by the mass of earth.
S: This gravitational force depends on the mass of the bodies involved.
S6: The greater the mass, the greater is the earth's force of attraction on it. We can call this force of attraction gravity.
The proper sequence should be: