What is a force, Momentum, Impulse, Grade 11 physics What is a force? Examples of Forces in Physics Systems and External Forces, Force Diagrams Newton’s Laws, Newton’s First Law Newton’s Second Law of Motion Newton’s Second Law, Object on an inclined plane, Lifts and rockets Exercise Applying Newton’s Second Law Newton’s Third Law of Motion Different types of forces Friction forces Forces in equilibrium Exercise of Forces in equilibrium Newton’s Law of Universal Gravitation Exercise Newton’s Law of Universal Gravitation What is a Momentum and Impulse Newton’s Second Law revisited Physics in Action: Impulse Torque and Levers Mechanical Advantage and Levers High School Students Studying the Sciences Physics