(i)[5]
Show that the distance of $G$ from $BC$ is $0.276\,\text{m}$, and find the distance of $G$ from $AB$.
(ii)[3]
Calculate the prism's weight.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
Fig. 1 illustrates the cross-section $ABCDE$ passing through the centre of mass $G$ of a uniform prism. The cross-section is made up of a rectangle $ABCF$ with a triangle $DEF$ removed from it; $AB = 0.6\,\text{m}$, $BC = 0.7\,\text{m}$ and $DF = EF = 0.3\,\text{m}$.