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Motion In Straight Line

Question
CBSEENPH11017615

The acceleration due to gravity due to certain planet at its surface is 1.2m/s2. What is the gravitational field strength at the surface of the planet?

Solution

At the surface of a planet, gravitational field strength is equal to acceleration due to gravity.
At the surface, 
                       I = GM over straight R squared space equals space g
That is,            I = 1.2N/kg.