Answer :

Net force on A is 40 N and net force on B is 25 N.

What is meant by net force ?

Net force on an object is defined as the vector sum of all the forces acting on it.

Here,

Block A

The net force on block A = 60 N - 20 N

Net force on A = 40 N

Block B

Net force on block B = 50 N - 25 N

Net force on B = 25 N

Hence,

Net force on both blocks A and B are 40 N and 25 N respectively.

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Answer:

i think it's 50 N

i might be wrong though not sure