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Gravitation Free Doubts and Solutions

CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

could you simplify the problem?

Asked by tkguha 18th March 2016, 1:00 AM
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CBSE - IX - Physics - Gravitation

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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CBSE - IX - Physics - Gravitation

YOU DID NOT TELL WHAT IS THE ACCELERATION HERE??

Asked by Harshita Singh 21st September 2015, 1:51 AM
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CBSE - IX - Physics - Gravitation

While conducting the experiment to measure the quantity of water displaced by the body it is advised to immerse the solid in water with out to uching he walla or bottom of the container. why?

Asked by dev 9th March 2015, 12:30 PM
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