A 63kg beam extends horizontially from the side of a wall.  A 13kg box hangs from the end of the beam.  The beam is also supported by a cable that is connected to the side of the wall, the cable is also attached to the beam 3/4 of the way from the wall to the end of the beam, it makes a 32 degree angle with the beam.  The beam does not have uniform mass distribution, the center of mass of the beam is 1/4 of the way from the wall to the end of the beam.  The tension on the cable is 709.63N. What are the x and y components of the force the wall exerts on the beam?

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Q: Anil

A: Approach to solving the question:  Detailed explanation: Examples: Key references:

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A: The free-body diagram of the see-saw is shown below.

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A: SOlution:

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Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.