Friction force on an inclined plane

  • Thread starter husker11
  • Start date
  • #1
husker11
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Homework Statement


A 60-N block rests on a 35 degree inclined plane. Determine the normal force and find the friction force that keeps the block from sliding.


Homework Equations





The Attempt at a Solution



Drew the free body diagram with each vector, not sure how to figure the normal force
 

Answers and Replies

  • #2
ehild
Homework Helper
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Hi husker11, welcome to PF.

Show your free body diagram, please, we can not help without seeing it. You can draw in Paint, and save it in jpg format. You can upload the picture if you click on "Go Advanced" and then "Manage Attachments".

ehild
 
  • #3
CWatters
Science Advisor
Homework Helper
Gold Member
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Your freebody diagram should show a force vector due to gravity.

Use what you know about triangles to work out what other angles on the diagram are also 35 degrees, 90 degrees or 90-35 degrees.

Then use basic trig functions (eg Cos, Sin, Tan) to calculate the components acting normal to the plane and/or down the plane.
 

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