Answer to Question #37238 in Mechanics | Relativity for Harvey Rufo

Question

A GATE 4M LONG AND 2M HIGH WEIGHS 400N. ITS CENTER OF GRAVITY IS AT ITS CENTER AND IS HINGED AT "A & B" TO RELIEVE THE STRAIN ON THE TOP HINGE. A WIRE "CD" IS CONNECTED AT ONE POINT OF THE GATE AND THE OTHER ON A WALL MAKING A RIGHT TRIANGLE WITH THE GATE. THE TENSION "CD" IS INCREASED UNTIL THE HORIZONTAL FORCE AT HINGE"A" IS ZERO.

A. WHAT IS THE TENSION OF THE WIRE "CD"?
B. WHAT IS THE MAGNITUDE OF THE HORIZONTAL COMPONENT OF FORCE AT HINGE "B"?
WHAT IS THE COMBINE VERTICAL FORCE EXERTED BY HINGE "A & B" ?

Answer 1

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