1000 kN is applied to joint (3) in the +ve Y-direction, 1000 kN is applied to joint (4) in the positive X-direction, 1000 kN is applied to Joint (4) in the -ve Y direction and 1000 kN is applied to joint (2) in the +ve X-direction, as show in the figure below. identify the absolute value of the force in kN in truss-element (4) that connects joint (4) to joint (2). Coordinates = x.y Joint (1) = 0,0 Joint (2) = 30,0 Joint (3) = 10,15 Joint (4) 20,15 Pinned support 1000 KN 3 1000 kN 1000 kN Force in truss-element (4) in kN (absolute value) (Enter numeric values without exponential notation, without rounding, and include at least three significant digits after the decimal) Truss-element (4) 1000 kN Roller support