Now an external force of 2N is applied on the block in the direction from A to B and the block does not move. Which force is preventing the block from moving? When the force is now increased to 6 N the block starts moving Is there any change in the resisting force ? Explain.
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friction force is acting as opposite force which is balancing the block.now friction force on body id less and force applied is force so it becomes an unbalanced force and starts moving.
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