Newton’s Laws of Motion

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Presentation transcript:

Newton’s Laws of Motion Conceptual Physics 11/18/2018

Beginning Terms Force(F) – a push or a pull, measured in Newtons (N), forces are vectors Friction(f) – the force between two objects that are in contact Coefficient of friction(μ) – a number that shows how big the force of friction will be between two objects Inertia – the property of matter that tends to resist a change in its motion 11/18/2018

More Terms Mass(m) – the amount of matter in an object, measured in kilograms(kg) Weight(w) – the amount of force gravity exerts on an object’s mass, measured in Newton’s [w=mg] Net Force – the total force acting on an object, it is an object’s net force that causes a change in its motion 11/18/2018

Even More Terms Equilibrium – when an object’s net force is zero, it’ll be sitting still or have constant velocity Normal Force(FN) – the force perpendicular to the surface an object sits on , also called the “support force” Pressure(P) – the amount of force per unit area, measured in Pascals (Pa), formula is P=F/A where A is area 11/18/2018

Yes, Even More Terms Terminal Velocity – the maximum velocity a free falling object reaches when its weight finally equals its air resistance Action/Reaction Pair – a pair of equal and opposite forces acting on the same object 11/18/2018

Newton’s First Law of Motion Objects at rest tend to remain at rest and objects in motion tend to remain in motion unless acted upon by an outside force. This is also called the Law of Inertia since it is an object’s inertia that causes this law to happen. 11/18/2018

Newton’s Second Law of Motion The acceleration of an object is directly proportional to the force acting upon the object, or F=ma. 11/18/2018

Newton’s Third Law of Motion For every action there is an equal and opposite reaction. 11/18/2018