Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
), the distance the projectile would fall in one second MOTION AND FORCE. 55 fcy the force of gravity. If now a cannon ball be projected from A(the gun ranging at the angle of 45°), it would be driven, by the pro-jectile force alone, the^r*-^ second, along the straight line toward thepoint L, to F,… … parallelogram. During the second second the projectile force, acting.alone, would drive the ball from F to H, but during the second secondgravity would (by the law of falling bodies) draw it down the width ofthree parallelograms, to the bottom of the line 3; hence, it will passalong the curved line…
Physics · Astronomy
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