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The correct answer is C
Explanation:
When the wheels of the bag are suddenly locked, the rolling friction loses its role. It is the sliding friction that comes into play. Sliding friction is always greater than rolling friction. Therefore, it becomes difficult to drag the bag when the wheels stop rotating and start sliding.
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if an object of 7 cm heght is placed at a distance of 12 cm from a convex lens of focal length 8 cm foind the position,nature and height of image
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