Edexcel M1 2009 June — Question 5

Exam BoardEdexcel
ModuleM1 (Mechanics 1)
Year2009
SessionJune
TopicFriction

5. \begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{05fd9db2-2ff3-4b84-99c2-f348ff567ebd-06_332_780_292_585} \captionsetup{labelformat=empty} \caption{Figure 1}
\end{figure} A small box of mass 15 kg rests on a rough horizontal plane. The coefficient of friction between the box and the plane is 0.2 . Aforce of magnitude \(P\) newtons is applied to the box at \(50 ^ { \circ }\) to the horizontal, as shown in Figure 1. The box is on the point of sliding along the plane. Find the value of \(P\), giving your answer to 2 significant figures.