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1. A train moves on an unbanked circular bend of rails. Which rail will wear out faster (inner rail or outer rail)? 2. Explain why the pilot of the aeroplane does not face down while completing the loop? 3. In a vertical motion , if tension T Pls help!!!

1. A train moves on an unbanked  circular  bend of rails. Which rail will wear out faster (inner rail or outer rail)?


2. Explain why the  pilot of the aeroplane does not face down while completing the loop?


3. In a vertical motion , if tension T<=0, then how will the body move???


Pls help!!!

Grade:12th Pass

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