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# Gravitation Free Doubts and Solutions

## numerical on gravitation

Asked by parvesh.ind7219 17th July 2018, 5:50 AM

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## Why matchstick flame always be against the gravity? explain with reasons.

Asked by abinash.gupta003 26th October 2016, 4:23 PM

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## can you please give me some(6-7) application or miracles of gravitation in our life,earth and universe by which I can use this application in my working model science project?please explain each application, if possible give a photograph each too.

Asked by abinash.gupta003 20th October 2016, 6:31 PM

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## an army tank weigh more than 1000 kg and rests upon a continuous chain.why?

Asked by deepti 2nd October 2016, 12:52 PM

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## show the expansion of(1+h/r)^-2 to =(1-2h/r)

Asked by abinash.gupta003 28th September 2016, 2:10 PM

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## Explain and show the deriviation of formula acceleration due to gravity at a point above the earth surface height "h"..which is g'=g(1-2h/R) ,,Where R is radius of the earth(=6400km)

Asked by abinash.gupta003 27th September 2016, 12:28 PM

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## why at the center of the earth gravity is zero?Explain it mathematically with example.

Asked by abinash.gupta003 9th September 2016, 6:20 PM

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## could you simplify the problem?

Asked by tkguha 18th March 2016, 1:00 AM

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## A ship floats with 1/3 of its volume outside water. What is the  relative density of ship.

Asked by Rishank 12th February 2016, 10:27 PM

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## YOU DID NOT TELL WHAT IS THE ACCELERATION HERE??

Asked by Harshita Singh 21st September 2015, 1:51 AM