2.0 Block A weighs 500.0 N and block B weighs 280.0 N. Block A is held by a cord fastened to the wall. Force P is applied on B to drag it to the left at constant speed. The coefficient of friction between A and B is 0.300 and that between B and the floor is 0.320. Find the following : (a) the normal force exerted by A on B, FNA (b) the tension in the cord attached to A, T. (c) the frictional force exerted by B on A, fsB 60.0 А 20.00 B.

2.0 Block A weighs 500.0 N and block B weighs 280.0 N. Block A is held by a cord fastened to the wall. Force P is applied on B to drag it to the left at constant speed. The coefficient of friction between A and B is 0.300 and that between B and the floor is 0.320. Find the following : (a) the normal force exerted by A on B, FNA (b) the tension in the cord attached to A, T. (c) the frictional force exerted by B on A, fsB 60.0 А 20.00 B.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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Question

2.0 Block A weighs 500.0 N and block B weighs 280.0 N. Block A is held by a cord fastened to the
wall. Force P is applied on B to drag it to the left at constant speed. The coefficient of friction
between A and B is 0.300 and that between B and the floor is 0.320. Find the following :
(a) the normal force exerted by A on B, FNA
(b) the tension in the cord attached to A, T.
(c) the frictional force exerted by B on A, fsB
60.0
20.00
A.
B.

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