UB ¼ to complicated laws In electric and magnetic phenomena the magnitude and direction of the resultant force at any point is the main subject of investigation Suppose that the direction of the force at any point is known then if we draw a line so that in every part of its course it coincides in direction with the force at that point this line may be called a line of force since it indicates the direction of the force in every part of its courseBy drawing a sufficient number of lines of force we may indicate the direction of the force in every part of the space in which it actsThus if we strew iron filings on paper near a magnet each filing will be magnetized by induction and the consecutive filings will unite by their opposite poles so as to form fibres and these fibres will indicate the direction of the lines of force The beautiful illustration of the presence of magnetic force afforded by this experiment naturally tends to make us think of the lines of force as something real and as indicating something than the mere resultant of two forces whose seat of action is at a distance and which do not exist there at all until a magnet is placed in that part of the field We are dissatisfied with the explanation founded on the hypothesis of attractive and repellent forces directed towards the ma.
physical free lines mobile force download On Physical pdf Lines of kindle Physical Lines of pdf On Physical Lines of Force eBookUB ¼ to complicated laws In electric and magnetic phenomena the magnitude and direction of the resultant force at any point is the main subject of investigation Suppose that the direction of the force at any point is known then if we draw a line so that in every part of its course it coincides in direction with the force at that point this line may be called a line of force since it indicates the direction of the force in every part of its courseBy drawing a sufficient number of lines of force we may indicate the direction of the force in every part of the space in which it actsThus if we strew iron filings on paper near a magnet each filing will be magnetized by induction and the consecutive filings will unite by their opposite poles so as to form fibres and these fibres will indicate the direction of the lines of force The beautiful illustration of the presence of magnetic force afforded by this experiment naturally tends to make us think of the lines of force as something real and as indicating something than the mere resultant of two forces whose seat of action is at a distance and which do not exist there at all until a magnet is placed in that part of the field We are dissatisfied with the explanation founded on the hypothesis of attractive and repellent forces directed towards the ma.