A uniform ladder of length 3.25 m and weighing 250 N is placed Against a smooth vertical wall with its lower end 1.25 m from theWall. The coefficient of friction between the ladder and floor is0.3. The frictional force acting on the ladder at the point of contact With floor is N.

A uniform ladder of length 3.25 m and weighing 250 N is placed Against a smooth vertical wall with its lower end 1.25 m from theWall. The coefficient of friction between the ladder and floor is0.3. The frictional force acting on the ladder at the point of contact With floor is N.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...

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Question

A uniform ladder of length 3.25 m and
weighing 250 N is placed Against a smooth
vertical wall with its lower end 1.25 m from
theWall. The coefficient of friction between
the ladder and floor is0.3. The frictional
force acting on the ladder at the point of
contactWith floor is
O 70
O 68
O 65
O 79
O 75
N.

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