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A mast is restrained by three cables as shown. The tension in cable CE is 2 kN. Estimate the angle between cables CE and CD. Use the dot product to determine the angle between cables CE and CD. Write force vector F (CE). Determine the projection of F (CE) in the direction of CD. Express the projection as a vector.  A mast is restrained by three cables as shown. The tension in cable CE is 2 kN. Estimate the angle between cables CE and CD. Use the dot product to determine the angle between cables CE and CD. Write force vector F (CE). Determine the projection of F (CE) in the direction of CD. Express the projection as a vector.