I need some help please? With details, thank you ^^

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1 Answer
Oct 7, 2017

1) F_"net"=F_"gravity"+F_"manual"

F_"gravity"=mg
=2.5*-9.8("it's pointing the opposite direction")=-24.5N

F_"net"=-24.5+27.5=3N

2) F=ma=>a=F/m
=>a=(3cancel("kg")m/s^2)/(2.5cancel("kg"))=1.2m/s^2