Define acceleration due to gravity. Draw a schematic diagram of the variation of acceleration due to gravity (g) for a system of earth (mass ME) and an astronaut (mass m) versus the astronaut’s distance r from the center of the earth.
Define acceleration due to gravity. Draw a schematic diagram of the variation of acceleration due
to gravity (g) for a system of earth (mass ME) and an astronaut (mass m) versus the astronaut’s
distance r from the center of the earth.
The acceleration due to gravity, denoted by the symbol g, is the acceleration of a body caused by the force acting on the body due to the earth's gravitational field. This force can be written as mg, where m is the mass of the body.In SI units this acceleration is measured in m·s−2
This is generally written when the object is near the earth such that the distance from its surface is so small that it is incomparable to the radius of earth, so it is taken constant ,g=9.8m·s−2 but when the distance between the object and centre of earth is comparable to Radius of earth , we use gravitational force formula to find acceleration due to gravity
gravitational force=
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