Can You Solve This Physics Homework Problem Due Monday?

[Kameriders21]

Homework Statement

This is my home work..please help me 3-2-1 please..3 first, 2 second and then 1..Please help me..It is due on this Monday..I need you guys help.

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THANKS YOU GUYS

Homework Equations

here question 3:

Ff = fiction kinictic * N
Ff = .30cos30degree

F-mgSin30 degree-.30mgcos30 , ( I am stuck somewhere here )

The Attempt at a Solution

 

[Spinnor]

For 3 see last post of,

https://www.physicsforums.com/showthread.php?t=543359