A boat travels around a circular course at a steady speed.
Which statement about the boat is correct?
The resultant force is not zero, because its weight is larger than the upthrust.
The resultant force is not zero, because the direction of its velocity keeps changing.
The resultant force is zero, because the size of its velocity stays the same.
The resultant force is zero, because the forward thrust balances the drag.
93 exam-style questions on Edexcel GCSE Physics 9.1 Forces and vectors, covering 9.1.1 Interactions and types of force, 9.1.2 Vector and scalar quantities, and 9.1.3 Vector diagrams and free body diagrams. Each one has a worked solution and a mark scheme showing where the marks go.