Question

state the universal law of gravitation and it's significance​

Answer 1

Answer:

we know in earth

W = ma

given, m = 20kg

here acceleration (a) would be g = 10m/s²

so W = 20×10 =200kg

as we know

weight on moon = 1/6 weight on earth

so weight on moon= 200/6= 33.33kg

hope this helps

Answer 2

Answer:

1. Universal law of gravitation : Every object in the universe attracts every other object with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them. The force is along the line joining the centres of two objects .