A cord 7 m long has its ends tied to a horizontal board at

points 5 ( apart. A weight of 50 N is suspended from

a ring so that the weight is free to slide along the cord in a

vertical plane. A horizontal force pulls the ring to a position

such that the cords on either side of the ring measuré 4m

and 3 m

Find the tension in the cord and the horizontal


(use component method only)