1. For each situation, determine the net force acting upon the object.

Situation A

Situation B

Tfnorm = 3 N

=

3 N

Ffrict = 5 N

app = 5 N

Ffrict = 5 N

gray = 3N

ray = 3 N

Situation C

Situation D

"norm = 20 N

Fair = 40 N

20 N

gray = 25 N

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