Ridhi is having some confusion between gravity and gravitational force. She asked her teacher and her teacher explained, how both are different. a) Distinguish between gravitational constant ‘G’ and acceleration due to gravity ‘g.’ (any two points) b)Suppose a planet exists whose mass and radius both are half of the earth. Calculate the acceleration due to gravity on the surface of this planet. Take value of ‘g’ on earth to be 9.8 m/s2 .
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The value of g at a particular point is 10m s
−2
. Suppose the earth shrinks uniformly to half of its present size without losing any mass. The value of g at the same point (assuming that the distance of the point from the centre of the earth does not change) will now be.
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The value of g at particular point is 10 m/s
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