JEE Main Physics question

If suddenly the gravitational force of attraction between earth and a satellite revolving around it becomes zero, then the satellite will **[Jamia Millia Islamia 2005]**

(A)Continue to move in its orbit with the same velocity
(B)Move tangentially to the original orbit with the same velocityCorrect
(C)Become stationary in its orbit
(D)Move towards the earth

Answer: (B)

Solution

With no net force, Newton's first law requires the satellite to continue in a straight line with whatever velocity it had at that instant — that is,

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Question ID VK-154349