Can't find my other post and I know the person who helped me wanted to know if it was right or no. And it wasn't.
So Ff=UsFN
Ff=49N
-Ff=ma
a=-6.86 on the penguin
Fnet=ma
Fa-Ff=ma
Fa-49=6.12*6.86
Fa=90.98N
There it is.
Thank you.