Question

Mass of a body is 25 kg. What is its weight in newton on earth? If the body is carried to
a planet whose mass is two times the mass of earth and radius is half that of earth. What
will be the mass and weight of the body on the planet? (Take the value of a g on earth as
10 m s-2).

Answer 1

Answer:

Acceleration due to gravity of earth, g= 9.8 m/s2

Therefore,

weight of the body with mass 25 kg on earth will be = m*g = 25* 10m/s2 = 250 N

On planet whose mass is twice as Earth and radius is half of earth,

Weight of planet =2me

radius of planet =re/2

so ,

weight of the body on planet =250×2=500N

and mass will be 25×2 =50kg

Explanation:

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