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A ladder rests with its foot on smooth horizontal ground and its upper end against a smooth vertical wall.
The ladder is uniformed and weighs 300N and inclined to the wall at an angle x. What horizontal force must be applied to the foot of the ladder to prevent it from slipping if
a) x=30degrees
b) x=arctan(3/4)
 Feb 5, 2014

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 #1
avatar+118673 
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Princess Sophie E:

A ladder rests with its foot on smooth horizontal ground and its upper end against a smooth vertical wall.
The ladder is uniformed and weighs 300N and inclined to the wall at an angle x. What horizontal force must be applied to the foot of the ladder to prevent it from slipping if
a) x=30degrees
b) x=arctan(3/4)



Hi Sophie,

I think this question might be the same as the one I like Serena answered. Please don't post questions twice.
If i am wrong then I apologize.
 Feb 6, 2014
 #2
avatar+72 
0
Yeah u r right and i'm sorry about that. I had connection problem so i did not notice it posted twice. I'm sorry about that.
 Feb 6, 2014

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