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.

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