Force in Space

Force in Space:
*Rectangular Components of a Force in Space:




(in the xz plane)


in the xz plane:




But

?

Or ………..(1)


……..(2)

Sub (2) in (1) get that



From (2) :




*Force Defined by Its Magnitude and Two Points on Its Line of Action:

N: lies on the line of action of the force “F”



………..(3)
..(4)
…..(5)

*Addition of Concurrent Forces in Space:






*Equilibrium of a Particle in Space:





Ex:
Find the resultant of the concurrent force system where T = 300 N ; P = 200 N ; Q=500 N , directed from D toward A,B&C respectively.














Force
(N) Distance Components Distance

Force Components
dx dy dz



T=300







P=200







Q=500














Force in Space:
*Rectangular Components of a Force in Space:




(in the xz plane)


in the xz plane:




But

?

Or ………..(1)


……..(2)

Sub (2) in (1) get that



From (2) :




*Force Defined by Its Magnitude and Two Points on Its Line of Action:

N: lies on the line of action of the force “F”



………..(3)
..(4)
…..(5)

*Addition of Concurrent Forces in Space:






*Equilibrium of a Particle in Space:





Ex:
Find the resultant of the concurrent force system where T = 300 N ; P = 200 N ; Q=500 N , directed from D toward A,B&C respectively.














Force
(N) Distance Components Distance

Force Components
dx dy dz



T=300







P=200







Q=500