Figure 1 shows the vertical forces acting on an underwater research probe.

Use information from the diagram to determine the size and direction of the resultant vertical force on the probe.
Practise Edexcel GCSE Physics Forces, vectors and free body diagrams with exam-style questions for Foundation and Higher tier. 56 questions, matched to the Edexcel GCSE Physics (1PH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.