Dialogues on the First Principles of the Newtonian System, Τόμος 4J. Parker, 1828 - 68 σελίδες |
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Σελίδα 12
... falls at last to the ground , for the same reason ( whatever that may be ) as it would if it had only dropped from the cannon's mouth ; and then the earth stops its further passage . Hence we have no ac- tual motions in straight lines ...
... falls at last to the ground , for the same reason ( whatever that may be ) as it would if it had only dropped from the cannon's mouth ; and then the earth stops its further passage . Hence we have no ac- tual motions in straight lines ...
Σελίδα 27
... fall in lines perpendicular to the sur- face , and therefore meeting in the centre , may be measured by the space through which ( if the re- sistance of the air be removed ) they all alike fall in a given time ; and more accurately by ...
... fall in lines perpendicular to the sur- face , and therefore meeting in the centre , may be measured by the space through which ( if the re- sistance of the air be removed ) they all alike fall in a given time ; and more accurately by ...
Σελίδα 33
... fall in a second near the surface of the earth . A. I would gladly be convinced of this . B. Then you must not decline a few prelimi- nary inquiries , which will probably be not more difficult than those we have hitherto made . But we ...
... fall in a second near the surface of the earth . A. I would gladly be convinced of this . B. Then you must not decline a few prelimi- nary inquiries , which will probably be not more difficult than those we have hitherto made . But we ...
Σελίδα 44
... , would form a right - angled triangle , in which the radius would be the hypothenuse , and therefore the greatest side ; consequently a definite part of the line first mentioned would fall within the cir- cle 44 DIALOGUE VI .
... , would form a right - angled triangle , in which the radius would be the hypothenuse , and therefore the greatest side ; consequently a definite part of the line first mentioned would fall within the cir- cle 44 DIALOGUE VI .
Σελίδα 45
Walter Henry Burton. the line first mentioned would fall within the cir- cle ; which is contrary to the supposition of mo ... fall , in the supposed indefinitely small por- tion of time , by the sole operation of the centri- petal forces ...
Walter Henry Burton. the line first mentioned would fall within the cir- cle ; which is contrary to the supposition of mo ... fall , in the supposed indefinitely small por- tion of time , by the sole operation of the centri- petal forces ...
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Dialogues on the First Principles of the Newtonian System Walter Henry Burton Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2009 |
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude angle ABC angle ACB angle MPH arithmetical progression ascertain attraction bisect centre of gravity centripetal force circle circumference common centre curve curvilinear figure ABC definite diagonal DIALOGUE diameter difference direction divided drawn parallel ellipses equal bases exterior angle fixed point fraction greater hypothenuse indefinitely small portion instance law of motion line BD line be drawn line drawn magnitude monstration moon move multiplying number of equal number of longitudinal number of terms observed orbit parallel lines parallelogram pass perpendicular planets produced Prop proportional proportionate proposition prove quantities of matter quotient radii radius rallel ratio rectangle CD rection represented respectively equal right angles round the earth SBD is equal single impulse space square described square of CD square root straight line sun's supposed supposition thing three angles three sides tion triangle ABC uniform velocity wind XXIII
Δημοφιλή αποσπάσματα
Σελίδα 2 - Certainly, it is heaven upon earth, to have a man's mind move in charity, rest in providence, and turn upon the poles of truth.
Σελίδα 2 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 19 - Equal triangles upon the same base, and upon the same side of it, are between the same parallels.
Σελίδα 37 - IF a straight line be divided into two equal, and also into two unequal parts ; the squares of the two unequal parts are together double of the square of half the line, and of the square of the line between the points of section.
Σελίδα 2 - Euclid's, and show by construction that its truth was known to us ; to demonstrate, for example, that the angles at the base of an isosceles triangle are equal...
Σελίδα 10 - Prove that parallelograms on the same base and between the same parallels are equal in area.
Σελίδα 51 - Multiply one half the sum of the first and last terms by the number of terms. Thus, the sum of eight terms of the series whose first term is 3 and last term 38 is 8 x * (3 + 38) = 164.
Σελίδα 19 - Parallelograms on the same base, and between the same parallels, are equal to one another.
Σελίδα 38 - Two parallelograms are similar when they have an angle of the one equal to an angle of the other, and the including sides proportional.
Σελίδα 6 - Then, because the three angles of every triangle are together equal to two right angles, [I.