If you have been reading through Lessons 1 and 2, then Newton's first law of motion ought…

Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces…

As mentioned above, the friction force is the force exerted by a surface as an object…

A few further comments should be added about the single force that is a source…

A force is a push or pull acting upon an object as a result of…

A force is a vector quantity. As learned in an earlier unit, a vector quantity is a…

The Meaning of Force A force is a push or pull upon an object resulting from the…

Newton's First Law of Motion In a previous chapter of study, the variety of ways by…

Kinematic Equations and Graphs Lesson 4 of this unit at The Physics Classroom focused on…

As mentioned in Lesson 5, a free-falling object is an object that is falling under the…