Svar 2.2:3
FörberedandeFysik
\displaystyle \mathbf R=[(200\sin40^\circ –700\cos25^\circ )\mathbf e_x+(200\cos40^\circ –700\sin25^\circ)\mathbf e_y] \,\mathrm N=
\displaystyle [(128,56–634,42)\mathbf e_x+(153,21–295,83)\mathbf e_y)] \,\mathrm N=(-505,86 \mathbf e_x–142,62 \mathbf e_y) \,\mathrm N
