the diagram above shows forces 4N 6N 10N and 8N... - JAMB Physics 2004 Question

the diagram above shows forces 4N, 6N, 10N and 8N which act at a point O in the directions indicated. the net horizontal force is

Component of 8N along the horizontal = 8 cos 60^o = 8 x 0.5

= 4N

Similarity Component of 6N along the horizontal = 6 cos 60^o = 3N

∴ Total force towards the right = 10 + 4 + 3

= 17N

Again total force toward the left = 4N

∴ Net horizontal force (towards the right) = 17-4

= 13N