to the distance between any two objects Mars exerts a gravitational pull on my cat.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Select the true statements about Newton's Law of Gravity

   

It is the force required so that an object obeys Newton's second law when attracted by another object

   

It is inversely proportional to the distance between any two objects

   

Mars exerts a gravitational pull on my cat.

   

Gravity only acts between nearby objects and disappears for objects in space

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Step 1
  • According to Newton's law of gravity, every object in the universe attracts every other object with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between the objects.

                               that is F = Gm1m2r2 ...................1

  • As the separation between the object increases the gravitational force decreases due to inverse relation
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