Net Force: adding vectors A Force has magnitude direction(vector) Adding forces is like adding vectors(more next chapter) The net force is obtained by adding all forces Adding collinear vectors 500N 2 vectors in the same direction 200N300N >) Magnitude is the sum of both magnitudes 100N Direction remains the same 300N 2 vectors in opposite direction 200N >)Magnitude is the absolute value of the difference of both magnitudes > Direction is the same as the longest vector Sum of 2 vectors is zero if they have opposite directions and same magnitude 500N 500N Physics 121: Lecture 3, Pg 7Physics 121: Lecture 3, Pg 7 Net Force: adding vectors A Force has magnitude & direction (vector). Adding forces is like adding vectors (more next chapter) The net force is obtained by adding all forces Adding collinear vectors 2 vectors in the same direction »Magnitude is the sum of both magnitudes »Direction remains the same 2 vectors in opposite direction »Magnitude is the absolute value of the difference of both magnitudes »Direction is the same as the longest vector Sum of 2 vectors is zero if they have opposite directions and same magnitude 500 N 200 N 300 N 100 N 200 N 300 N 500 N 500 N