Mechanics: forces and motion
Navigait original notes. Not a past paper and not affiliated with any exam board. Use these pages to practise the language you write in an answer.
A force is a push or a pull. Forces have size and direction. The resultant force is the single force that has the same effect as all the forces acting together. Draw arrows. Label them. Then add them, taking direction into account.
If the resultant force on an object is zero, two things can be true. A still object stays still. A moving obj…