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Sep 20, 2013

#### What is difference between 'g' and 'G'



g is the gravitational force exerted by any planet. For earth it's 9.8m/s2. G can be g but g cannot be G.

Feb 1, 2015

#### What are the applications of Archimedes' principle?



There are many applications of Archimedes Principle , some of them are:- It is used in designing ships and submarines It is used to find the purity of gold It is used in lactometers for determining the density ...

Oct 31, 2014

#### How to calculate zero error and least count of spring balance



Least count of a measuring instrument is the least value of physical quantity that can be measured accurately using the instrument.
...

Sep 27, 2014

#### what is the relation between g and G ?



F = ma...............1
F = G*M*m/d2......2
By 1 and 2
ma = G*M*m/d2
On upward or downward motion under the infl...

Mar 10, 2014

#### Please give me examples of prativedan in hindi please.................



Prativedan means report

Feb 4, 2015

#### State Archimedes  principle and its two applications?



Archimedes principle indicates that the upward buoyant force that is exerted on a body immersed in a fluid whether fully or partially submerg...

Sep 13, 2014

#### What is the difference between G and g?



G stands for Newton's universal gravitational constant, whereas g stands for the acceleration due to gravity at a certain point.
G =

Dec 11, 2014

#### Why is it that an iron nail sinks whereas a ship floats in water? Please explain.



As the density of an iron nail is more than that of water, the nail sinks in water. This is understandable. But a huge ship made of iron floats. This is because of its shape. A ship is hollow in the middle. Whe...

Jul 15, 2013



Sep 22, 2013

#### Proof that value of 'g' at centre of the earth is zero



Answer: Acceleration due to the earth's gravity is zero at the centre of the Earth because at that point the mass of the earth is equally distributed in all directions, so pulling equally i...

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