Homework Help: physics

Posted by peter on Friday, November 19, 2010 at 4:37pm.

A 1240 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1970 N crate hangs from the far end of the beam.

(a) Calculate the magnitude of the tension in the wire.

(b) Calculate the magnitude of the horizontal and vertical components of the force that the wall exerts on the left end of the beam.
Fx =
Fy =

physics - MathMate, Friday, November 19, 2010 at 8:51pm
I assume that the beam is connected by a hinge at the wall (i.e. no bending moment is induced).

If the cable is vertical, there should be no horizontal force at the wall since ΣFx=0.

The load is applied at the "far end", is it the cable end or the wall end, the left end or the right end? Is the wall the right end?

Please understand that we do not see the figure you see, so a full description is naturally required.

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