We know that F = {πΊππ \over π^2} as weight of a body is the force with which a body is attracted towards the earth,
β΄ W = {πΊππ \over π^2}
If the radius of the earth becomes twice of its original radius, then
W = {πΊππ \over (2π^2)}
= {πΊππ \over 4π^2}Β Β = {π \over 4}
i.e., weight will be reduced to one-fourth of the original.
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Observe the graph and answer the following questions. Assume that g = 10 m/s2 and that there is no air resistance. (a) In which direction is the ball moving at point C? (b) At which point is the ball stationary? (c) At which point is the ball at its maximum height? (d) what is the ball’s acceleration at point C? (e) What is the ball’s acceleration at point A? (f) What is the ball’s acceleration at point B? (g) At which point does the ball have the same speed as when it was thrown?
