(a)[2]
If the resultant force has no component in the $y$-direction, calculate $F$.
(b)[5]
If instead $F = 10$, find both the magnitude and the direction of the resultant force.
Mathematics 9709 · AS & A Level · Forces and equilibrium
Forces and equilibrium — practice question
The forces, with magnitudes $20\,\text{N}$ and $F\,\text{N}$, act at point $P$ in the directions indicated in the diagram.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “By resolving vertically, obtain $F=20\sin60$ (or $20\cos60$ as appropriate)” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI