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

Idon’t quite understand this problem

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