• Here's the answers to the review guide:
    1
     
    2
      
     3
     
    #9 A is worked out below...
    4
     
     
     #9 A): The key is that Ff and Fh are equal.
    The rest of number 9. Note: The substitution requires substituting in for vertical force within the friction force formula.
     
     
    5
     
     
     What the hexagons is goin' on here? @gunthergsd