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Home > PC3 > Chapter 10 > Lesson 10.1.5 > Problem 10-100


A large picture weighing 40 pounds is being suspended as shown in the diagram at right. How much tension is on one side of the cable?  

The sum of the vectors in the diagram must be since the picture is not moving.
Use this information to solve for F, the force that is distributed into the cable vectors.

3 rays, with common endpoint, downward ray labeled as vector, 0, comma negative 40, north west ray labeled as vector, negative 2.5, F, comma 1 F, north east ray labeled as vector, 2.5, F, comma 1 F.

The tension in a cable is the length of its force vector.