Question

A block of weight 7 N is placed on a horizontal table. A person pushes the block from the top by
exerting a downward force of 4 N on it. The force exerted by the table on the block is

Answer 1

The force exerted by the table on the block is normal force (N).

By the FBD( force body diagram),

N = f + mg

N = 4 + 7

N = 11 Newton