A ball is thrown vertically upward in the air by a passenge…

Physics Motion in a Straight Line Relative Motion MCQ (Single Correct)

A ball is thrown vertically upward in the air by a passenger (relative to himself) from a train that is moving as given in column I (v ball << v escape ). Correctly match the situation as described in the column I, with the paths given in column II.

Column I Column II

Train moving with constant acceleration on a slope then (P) Straight line path of the ball as seen by the passenger.

Train moving with constant acceleration on a slope then (Q) Parabolic path of the ball as seen by a stationary observer outside.

Train moving with constant acceleration on horizontal ground (R) Elliptical then path of the ball as seen by the passenger.

Train moving with constant acceleration on horizontal ground (S) Hyperbolic then path of the ball as seen by a stationary observer outside. (T) Circular

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Q, Q , Q, Q

Sol. In all cases, angle between velocity and net force (in the frame of observer) is in between 0° and 180° (excluding both values, in that path is straight line).

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