The springs BA and BC each have a stiffness of 500 N/m and an unstretched length

Question

The springs BA and BC each have a stiffness of 500 N/m and an unstretched length of 3.2m Determine the horizontal force F applied to the cord which is attached to the small ring B so that the displacement of the ring from the wall is 1.5m

The springs BA and BC each have a stiffness of 500 N/m and an unstretched length of 3.2m Determine the horizontal force F applied to the cord which is attached to the small ring B so that the displacement of the ring from the wall is 1.5m Part B Determine the magnitude of the force F Express your answer to three significant figures and include the appropriate units.

Explanation / Answer

Balncing the forces i horizantal direction==>f=kx1cos1+kx2cos2==>2kxcos==>2*500*3.2cos

as verticle forces balnce each other

sin=3/3.2=>=69.63 degres==>cos=0.347==>f=2*500*3.2*0.347=1110.4n

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