Punjab Physics Online 9th Class Test Lesson 5 Gravitation

Everybody in the Universe attracts every other body with a force which is directly proportional to the product of their masses and inversely proportional to the Square of the Distance between their Centers. According to the Gravitation Law any object attracts to the others object. It is to be noted that Mass M1 attracts M2towards itself.

Gravitation Lesson 5 Physics Online Test 9th Below

This quiz must be completed in 30 minutes.
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  1. a stone is dropped from the top of a tower of height 100m.And instantly a second stone is projected vertically upward from the bottom with a velocity of 25m/s.Find when and where the two stones meet??……(take g=10m/s^2)…..with steps..

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