Question

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

Answer 1

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`