A particle P P\,P of mass 0.8kg moves under the action of a force F F\,F N. The acceleration of P P\,P is (−3i+5j)(-3\mathbf{i} + 5\mathbf{j})(−3i+5j).
Find the angle between the acceleration and the vector i\mathbf{i}i.
Find the magnitude of FFF.
Practise Edexcel AS Level Maths Forces and Motion with exam-style questions for AS Level Maths. 15 questions covering Force Diagrams, Forces as Vectors, Forces and Acceleration, Motion in 2 Dimensions, Connected Particles, and Pulleys, matched to the Edexcel AS Level Maths (8MA0) 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.