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Newton’s Second Law of Motion

Newton’s Second Law of Motion. Newton’s Second Law. Newton’s Second Law of Motion- Acceleration depends on the objects mass and the net force acting on the object. Connects the net force on an object, its mass and its acceleration Acceleration=net force/mass

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Newton’s Second Law of Motion

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  1. Newton’s Second Law of Motion

  2. Newton’s Second Law • Newton’s Second Law of Motion- Acceleration depends on the objects mass and the net force acting on the object. • Connects the net force on an object, its mass and its acceleration • Acceleration=net force/mass (not the same as motion, change in velocity)

  3. Gravity • Force exists between any two objects that have mass • Gravity always is attractive and pulls objects towards each other • Weight- Size of the gravitational force exerted on an object. • A free falling object towards Earth Accelerates 9.8m/s every second it falls. • Force of Gravity increases when mass increases and when objects get closer.

  4. Resistance • Air resistance is a form of friction that slows down any object moving in the air. • Falling objects with greater surface area experience more air resistance! • Terminal velocity- the greatest velocity an object reaches.

  5. Circular Motion • When object moves in a circle, it is constantly having change in velocity, so it has a constant Acceleration. • Centripetal Force- the force that causes the object to move in a circle. • Direction is toward the center of objects circular path • Ex: Satellites around Earth- moving so fast they never fall to Earth

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