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Physics
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A ladder is leaning against a rough vertical wall... Check your score
  Play           Question 11 of 170 in this category.    

A ladder is resting at 30 to a rough vertical wall with its foot on a horizontal plane. Which statement is TRUE?

I.   Friction is acting on the ladder.

II.  The horizontal plane is frictionless.

III. The ladder is about to slip.

IV.  The wall is exerting a horizontal force on the ladder.
 
A.
I and II
B.
I, II and III
C.
I, III and IV
D.
I and IV

 
  * Quiz question created by Tutor12371 on 01 December 2005 at 5:04pm

 
 
 
 
 
 

 




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