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Transcript
November 17, 2016 November 14th, 2016 Target: I can describe Newton's three laws of motion and identify examples. Warm-up: What is momentum? Planner • Cornell Notes: Newton's Laws of Motion • Newton's Laws Matching Cards November 17, 2016 Newton's Laws of Motion Science Nov. 14th, 2016 What are Newton's Laws of Motion and how do they apply to objects in motion? 1. Force - a push or a pull; measured in Newtons (N) Calculating forces (net force) a. Forces in the same direction - add together b. Forces in opposite directions - subtract 2. Newton's First Law An object at rest will remain at rest, unless acted upon by an outside force. An object in motion will remain in motion unless acted upon by an outside force. a. Also called the law of inertia b. Example: an object travelling through space will continue to move forever until a force (such as gravity) acts upon it. 3. Newton's Second Law Force depends on the mass and acceleration of an object. a. Equation: F = m x ay in the opposite direction. b. Heavier objects require more force to move than lighter objects 4. Newton's Third Law For every action there is an equal and opposite reaction a. For every force, there is a reaction force of equal magnitude in the opposite direction November 17, 2016 November 17, 2016 Newton's Laws of Motion Science Nov. 14th, 2016 How do Newton's Laws describe the motion of objects? 1. Force - a push or a pull; measured in Newtons (N) 1. What are Newton's 3 laws? Calculating forces (net force) a. Forces in the same direction - add together b. Forces in opposite directions - subtract 2. Newton's First Law 2. How does gravity relate to each of Newton's Laws? 3. How does a rocket launch relate to Newton's 3rd law? An object at rest will remain at rest, unless acted upon by an outside force. An object in motion will remain in motion unless acted upon by an outside force. a. Also called the law of inertia b. Example: an object travelling through space will continue to move forever until a force (such as gravity) acts upon it. 3. Newton's Second Law Force depends on the mass and acceleration of an object. a. Equation: F = m x a b. Heavier objects require more force to move than lighter objects 4. Newton's Third Law For every action there is an equal and opposite reaction a. For every force, there is a reaction force of equal magnitude by in. the opposite direction.
