Question

A book on the table it's mass is 1kg what is the normal reaction​

Answer 1

Answer:

The book lying on the table is exerting a downward force on the table, while the table is exerting an upward reaction force on the book. Because the forces are equal and opposite, the book remains at rest

Explanation:

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Answer 2

9.81 N (if 9.81 N/Kg) 10 N (if 10N/Kg)

The force of gravity is 9.81 N/kg so if mass is 1kg then the weight is 9.81 N,and the weight is equal and opposite direction as normal reaction force thus normal reaction is 9.81N