Q. 11

If the mass of su A. walking on ground would become more difficult.

B. the acceleration due to gravity on earth will not change.

C. raindrops will fall much faster.

D. airplanes will have to travel much faster.

Answer :

Given:


New gravitational constant G’ = 10G


Ms’ = Ms/10


Gravitational field due to earth is given by



Force on the man due to sun



Where r = distance between centre of sun and man


Since rR the effect due to sun can be neglected and the gravity pull will increase. Due to it, walking on the ground can be difficult


As the acceleration due to gravity g increases, the raindrops fall much faster than usual


Also, airplanes will have to travel much faster to overcome the increased gravitational pull of the earth

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