Advertisements
Advertisements
Question
How is the acccelaration due to gravity on the surface of the earth realted to its mass and radius ?
Advertisements
Solution
Let g be the acceleration due to gravity on the Earth's surface (mass = M and radius = R).
Then , `"g" = "Gm"/"R"^2` .
APPEARS IN
RELATED QUESTIONS
Which force is responsible for the moon revolving round the earth ?
Explain why, if a stone held in our hand is released, it falls towards the earth.
Explain why, the tip of a sewing needle is sharp.
i) If g = GM/r2 then where will the value of g be high at Goa Beach or on top of Mount Everest?
For freely falling object we can write the Newton’s second equation of motion as …..
A metal ball of mass 5 kg falls from a height of 490 m. How much time it will take to reach the ground? (g = 9.8 m/s2)
The total energy of an object falling freely towards the ground ______.
A body falls freely under gravity from rest and reaches the ground in time t. Write the expression for the height fallen by the body.
Calculate the escape velocity on the surface of the moon given the mass and radius of the moon to be 7.34 × 1022 kg and 1.74 × 106 m respectively.
(Given: G = 6.67 × 10-11 Nm2/kg2)
When is free fall possible?
