Details Title: AP B Physics-Chapter 4 Description: Forces and Newton's Laws of Motion Total Flash Cards: 7 Created: 11/10/2007 18:13:56		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Physics Flashcards
Cards in this set: Term Inertia Definition Inertia is the tendency of an object to continue to stay at rest or in motion at a constant speed along a straight line. Term Forces and Mass Definition A force is a push or a pull and is a vector (like velocity, displacement, and acceleration).   Mass is a property of matter that determines how difficult it is for an object to speed up or slow down and is a scalar. Term Newton's 1st Law of Motion Definition An object at a state of rest or in a state of motion at a constant speed along a straight line unless compelled to change that state by a net force.   IN OTHER WORDS...   F=0   iff the object is at rest or in motion at a constant velocity (a=0) Term Newton's 2nd Law Definition When a net external force ΣF acts on an object of mass m, the acceleration that results is directly proportional to the net force and has a magnitude that is inversely proportional to the mass.   IN OTHER WORDS...   ΣF=ma Term Newton's 3rd Law Definition For every action, there is an equal and opposite reaction.   In other words, a force in a action-reaction pair is equal to the force pushing against it.   F12=F21 Term The Gravitional Force Definition F=G*m1m2             r2   G=6.673*10-11 N*m2/kg2 m=mass of object r=distance between both objects Term Definition