# 10 one rupee coins are placed on top of each other each coin has mass m which-the-following-statements-true??

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The coins are counted from bottom to top.

1.The force on the 3rd coin due to all coins on its top is equal to 3mg downwards

2.The force on the 6th coin due to 7th coin on its top is equal to 4mg downwards

3.The reaction of the 6th coin on the 7th coin 3mg upwards

4.The total force on 10th coin is 9mg

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2.The force on the 6th coin due to 7th coin on its top is equal to 4mg downwards