(i)[2]
Calculate the angle between the rod and the horizontal.
(ii)[4]
find the magnitude and direction of the force exerted on the rod at $A$.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A uniform rod $AB$ has weight $16\,\text{N}$ and is hinged freely at $A$ to a fixed point. A force with magnitude $4\,\text{N}$, acting at right angles to the rod, is applied at $B$ (see diagram). If the rod is in equilibrium,