Question

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Answer 1

Answer:

To find the force of attraction between the body and the Earth :

We know the Equation for Force of Gravitation between the two bodies , i.e,

F = G m1m2/ r^2

 Where :

F = Force of Gravitation

m = Mass

r = Radius/distance

Using the above equation and substituting the values in it, we get :

F = 6.67 * (150 *10)/40.96

F=  10005/40.96

F= 244.26 N

Hence, the force of Gravitation between the body and the Earth is 244.26 N.

To find the acceleration produced on the body :

We know that ,  F = ma

So , using the above formula and substituting the values in it, we get :

244.26 = 25 *a

a = 9.8 m/s ^2

 Hence, the acceleration produced on the body is 9.8 m/s².

To find the acceleration produced on the Earth :

We know that ,

F= ma

 So , using the above formula and substituting the values in it, we get :

 244.26 = (6*10^24) * a

 a = 40.71/10^24

a =40.71 * 10^-24

Hence, the acceleration produced on the Earth is 40.71 × 10-²⁴ m/s²

Answer 2

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