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Q19.In the image below, a combination of gears (1-5), pulley (6), weight (W), belts (connecting 1&2, 4&6) and a shaft drive is shown. The shaft rotates in the direction of the arrow without any horizontal translation. Which of the following statement is/are CORRECT? A. 5 rotates clockwise and W moves upwards. B. 4 rotates anticlockwise and W moves downwards. C. 5 and 4 rotate in opposite directions. D. 1 and 4 rotate in opposite direction.