THE objection to Duchayla's proof of the “parallelogram of forces” is, I suppose, admitted by all mathematicians. To base the fundamental principle of the equilibrium of a particle on the ...

Take any quadrilateral such as ABCD above. Construct the midpoints of each side and join them to form another quadrilateral EFGH. Varignon's Theorem asserts that the ...

For hundreds of years many have attempted to prove Newton's Parallelogram Law of Forces but could not come up with a completely satisfactory one. Recently a Bangladeshi mathematician, Professor Ahmed ...

WHAT is the force of the word “rigid,” introduced into the statement and proof of the parallelogram of forces and other theorems in Statics, as quoted by Mr. W. E. Johnson from the ordinary text-books ...