P8 forces in balance 0.0 / 5 ? PhysicsP8GCSEAQA Created by: emewsCreated on: 30-12-17 16:01 What is a force? A force is an influence that causes an object to change. 1 of 8 Which force did Charles-Augustin de Coulomb first describe? The electrostatic force. 2 of 8 What does Newton's First Law of Motion state? Objects with balanced forces acting on them will stay at rest or in constant motion 3 of 8 What are the units of force? Newtons 4 of 8 Newton's Second Law of Motion can be summarised by which equation? F = ma 5 of 8 What is friction? A force that opposes motion. 6 of 8 How do you calculate resultant force? Add all the forces that are acting upon an object 7 of 8 What happens if the resultant force on a car is in the direction in which it is travelling? It will increase in speed. 8 of 8
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