what is the force of gravity on body of mass 50 kg lying on 100 km away from the earth
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➞ Mass of the unit volume of the substance is called its density. Hence, density = mass / volume.
➞ We know that, mass of earth is 6 × 10^24 kg. Hence, the direct value substituting.
➞ Gravity Potential = mgh
➞ Hence, 50 × 9.8 × 100 = 4900 N. (The body has been assumed as to be 100 km away from earth surface.)
➞ Mass of the unit volume of the substance is called its density. Hence, density = mass / volume.
➞ We know that, mass of earth is 6 × 10^24 kg. Hence, the direct value substituting.
➞ Gravity Potential = mgh
➞ Hence, 50 × 9.8 × 100 = 4900 N. (The body has been assumed as to be 100 km away from earth surface.)
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