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Determining the Net Force
If you have been reading through Lessons 1 and 2, then Newton's first law of motion ought…
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Drawing Free-Body Diagrams
Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces…
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Sliding versus Static Friction
As mentioned above, the friction force is the force exerted by a surface as an object…
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Confusion of Mass and Weight
A few further comments should be added about the single force that is a source…
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Types of Forces
A force is a push or pull acting upon an object as a result of…
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Force is a Vector Quantity
A force is a vector quantity. As learned in an earlier unit, a vector quantity is a…
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Force and Its Representation
The Meaning of Force A force is a push or pull upon an object resulting from the…
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Newton’s Laws
Newton's First Law of Motion In a previous chapter of study, the variety of ways by…
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Kinematic Equations and Graphs
Kinematic Equations and Graphs Lesson 4 of this unit at The Physics Classroom focused on…
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Kinematic Equations and Free Fall
As mentioned in Lesson 5, a free-falling object is an object that is falling under the…