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Solution


Q.

STATEMENT - 1: An astronaut in an orbiting space station above the earth experiences weightlessness.

because

STATEMENT - 2: An object moving around the earth under the influence of Earth’s gravitational force is in a state of “free-fall”.        [2008]
1 Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1  
2 Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1  
3 Statement-1 is True, Statement-2 is False  
4 Statement-1 is False, Statement-2 is True  

Ans.

(1)

An astronaut in an orbiting space station above the earth experiences weight less as he is in a state of free fall. The force acting on astronaut is utilised in providing necessary centripetal force.