Problem 1
The resultant of displacements \(2 \mathrm{~m}\) South, \(4 \mathrm{~m}\) West, \(5 \mathrm{~m}\) North is of magnitude: (a) \(3 \mathrm{~m}\) (b) \(7 \mathrm{~m}\) (c) \(5 \mathrm{~m}\) (d) \(\sqrt{65} \mathrm{~m}\) (e) \(11 \mathrm{~m}\).
Problem 3
The horizontal component of a force of \(10 \mathrm{~N}\) inclined at \(30^{\circ}\) to the vertical is: (a) \(5 \mathrm{~N}\) (b) \(5 \sqrt{3} \mathrm{~N}\) (c) \(3 \mathrm{~N}\) (d) \(\frac{10}{3} \mathrm{~N}\) (e) \(\frac{10}{\sqrt{3}} \mathrm{~N}\)