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Physics
»
A.
Motion and Forces
»
A.4.
Forces and Newton’s Laws of Motion
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Newton’s First Law of Motion
Overview
Applying Newton’s First Law of Motion
Types of Forces and Free-body Diagrams
Overview
Identifying and naming forces
Drawing and interpreting basic free-body diagrams
Newton’s Second Law of Motion
Overview
Solving problems using F
_{net}
= ma
Determining the net force acting on an object from a free-body diagram
Calculating the acceleration of an object using free-body diagrams and F
_{net}
= ma
Newton’s Third Law of Motion
Overview
Identifying action-reaction force pairs
Solving problems involving Newton’s Third Law of Motion
Force of Gravity (Weight) and Normal Force
Overview
Distinguishing between mass and weight
Determining the weight or mass of an object using F
_{g}
= mg
Determining the normal force for an object in static equilibrium
Frictional Force
Overview
Solving for static friction using the equation f
_{s}
= μ
_{s }
F
_{N}
Solving for kinetic friction using the equation f
_{k}
= μ
_{k}
F
_{N}
Determining the minimum force required to move an object in static equilibrium
Determining the force of kinetic friction by Newton’s Second Law
Inclined Planes
Overview
Drawing and interpreting free-body diagrams for incline planes
Determining the force of gravity-component parallel to the incline
Determining the force of gravity-component perpendicular to the incline
Determining the normal force acting on an object on an incline
Determining the force of static friction acting on an object in static equilibrium on an incline
Determining the force of kinetic friction acting on an object in equilibrium
Determining the net force and acceleration of an object on an incline
Blocks and Pulley Systems and Tension Force
Overview
Determining the acceleration for a standard pulley system
Determining the acceleration for a pulley on a frictionless table system
Determining the acceleration for a pulley on a table system with friction
Types of Forces and Free-body Diagrams — Identifying and naming forces
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