Laboratory exercises to accompany Carhart and Chute's First principles of physics . and page of the note-book under thecords with the center of the page under the point two points directly beneath each cord. Remove thebook and through each pair of points draw a line whichrepresents in direction the force. Xote and record on thediagram, the reading of each balance, calling the balances/>. c\ and 7>. Measure from A along each line a distanceto represent the magnitude of the force, using a scale to 250 grams. Place at the end oi each line an?whead to show the direction of the f
Laboratory exercises to accompany Carhart and Chute's First principles of physics . and page of the note-book under thecords with the center of the page under the point two points directly beneath each cord. Remove thebook and through each pair of points draw a line whichrepresents in direction the force. Xote and record on thediagram, the reading of each balance, calling the balances/>. c\ and 7>. Measure from A along each line a distanceto represent the magnitude of the force, using a scale to 250 grams. Place at the end oi each line an?whead to show the direction of the force. Select one force as the equilibrant and layoff from Athe resultant eqtial and opposite to the equilibrant. Onthe two lines representing the components, erect a parallel- PARALLELOGRAM OF FORCES 89 ogram and draw the diagonal from A. Determine themagnitude of the force which this diagonal would repre-sent. Compare it with the resultant which you laid offand drew. Mark on the drawing the lengths of the lines and thereadings of the balances. No table of results is necessary. Fig. 35. on the left-hand page, but write a simple description ofthe method of the experiment. The drawing has alreadybeen placed on the right-hand page. On the second right-hand page place the table of calcu-lated results. Calculated Results Magnitude of resultant ....Magnitude represented by diagonal Discussion: 9- (1) What single force would alone produce the sameeffect as the two forces represented by the sides of the 90 LABORATORY EXERCISES parallelogram? (2) Compare the resultant and the diag-onal of the parallelogram in direction and in magnitude. Conclusion: Three forces are in equilibrium when the of two of them is in magnitude and in direction to the EXPERIMENT 24 Resolution of Forces OBJECT. Given the resultant of two forces and one of the forces,to find the other force. Apparatus. 2 spring balances (2000 g.) ; 500-gram weight;fish line ; upright, with ring for cord and notch for boom ; lighth
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectphysics, bookyear1913
