Question

write Newton universal law of gravitation. write the expression for gravitational force of attraction. ​

Answer 1

Newton's universal law of gravitation: Every particle in the universe attracts every other particle with a force along a line joining them. ... In equation form, this is F=GmMr2 F = G mM r 2 , where F is the magnitude of the gravitational force. G is the gravitational constant, given by G = 6.673 × 10−11 N·m2/kg2.

Answer 2

Answer:

Polyester is used in making ropes, nets, raincoats, jackets, etc.

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