Engineering mechanics( plane friction)

Submitted by Ahniah on

How do you solve this? I have tried but could not get the answers:( someone please help me.

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This is the question

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This is the question

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This is my working.

Jhun Vert Tue, 02/09/2016 - 20:55

In your FBD

  • The friction force at A should be to the right for parts (a), (b), and (c).
  • Remove the N force at the center of the bar.
  • Include normal forces NA and NB at the appropriate points