The door has à weight of 200lb and a center of gravity at G. Determine the constant force F that must be applied to the door to push it open 12ft to the right in 5s, starting from rest. Also, find the vertical reactions at the rollers A and B.

The door has à weight of 200lb and a center of gravity at G. Determine the constant force F that must be applied to the door to push it open 12ft to the right in 5s, starting from rest. Also, find the vertical reactions at the rollers A and B.

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 7.28P: The man pushes the 120-lb homogeneous crate with the horizontal force P. Determine the largest...

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Question

The door has à weight of 200lb and a center of gravity at G. Determine the constant force F that
must be applied to the door to push it open 12ft to the right in 5s, starting from rest. Also, find
the vertical reactions at the rollers A and B.
6 ft
6 ft
12 ft
5 ft
3 ft

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