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

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 64P: -m rope is tied to a tree; the other end is tied to a car stuck in the mud. The motorist pulls...
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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

Expert Solution
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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