Resolving Weight
force on Ramp

 

Parallel & perpendicular components

 

 

Free Body Diagram

St. Mary's H.S. Physics

 

 

 

 

F = 10. N (Weight)

 

 

 

 


        

 

 

 

 

Fn = Fgcosq

Fn = mgcosq

 

 

Find f if box is stationary

Fnet = 0

 

f = Fgsinq =  mgsinq

Box at rest, Find Us

f = us[Fgcosq] = Fgsinq

 

Us = tanq

 

Finding a horizontal component

 

 

** AP - **

 

 

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