Homework Help: physics

Posted by noreen on Tuesday, January 11, 2011 at 8:00pm.

A 3.0 m long ladder of weight 98. N leans against a frictionless wall at an angle of 60.° with respect to the horizontal.

The coefficient of static friction between the ground and
the ladder
is ľs=0.45.

If the ladder is not sliding, the magnitude of the force of static friction between the ground and the ladder is ...

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