1.

Case I: A block of mass 1 kg is placed on a rough horizontal surface. Case II: A block of mass 1 kg is placed on a rough horizontal surface and another identical block is kept over it. Choose the correct statement.

Answer» Case I: A block of mass 1 kg is placed on a rough horizontal surface.
Case II: A block of mass 1 kg is placed on a rough horizontal surface and another identical block is kept over it.
Choose the correct statement.



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