Κρυφά πεδία
Βιβλία Βιβλία
" If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. "
The mechanical Euclid, containing the elements of mechanics and hydrostatics - Σελίδα 46
των William Whewell - 1837
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Elementary Geometrical Statics: An Introduction to Graphic Statics

William John Dobbs - 1897 - 366 σελίδες
...course includes, as a particular case, The Triangle of Forces. // three forces, acting at a point, be represented in magnitude and direction by the sides of a triangle taken one way round, the forces are in equilibrium. It is to be particularly noticed that, in the Polygon...

Practical Mechanics: An Elementary Manual for the Use of Students in Science ...

Sidney H. Wells - 1898 - 274 σελίδες
...experiment may be regarded as a verification. Triangle of Forces. If three forces acting at a point can be represented in magnitude and direction by the sides of a triangle taken in order, they are in equilibrium; and conversely, If three forces acting at a point are in equilibrium, and...

Exercises in practical physics for schools of science, by R.A. Gregory and A ...

Sir Richard Gregory, Arthur Thomas Simmons - 1899 - 216 σελίδες
...You have therefore proved the triangle of forces, viz.: When three forces acting at a point can be represented in magnitude and direction by the sides of a triangle taken in order, they are in equilibrium. 88. Friction. (a) Fix a small staple, such as is used to fasten wire netting,...

Kinematics, statics, kinetics, statics of rigid bodies and of elastic solids

Augustus Jay Du Bois - 1902 - 682 σελίδες
...must act in their plane and be equal and opposite to the third. (3) If three concurring forces are represented in magnitude and direction by the sides of a triangle taken the same way round, the resultant is zero and the forces are in equilibrium. (4) Hence, if three concurring...

A Text-book of Applied Mechanics and Mechanical Engineering, Τόμος 2

Andrew Jamieson - 1903 - 748 σελίδες
...taken in the reverse direction. Hence, if there be simultaneously impressed on a point three velocities represented in magnitude and direction by the sides of a triangle taken in order, then the point will remain at rest.* Polygon of Velocities. — If several component velocities be...

Woolwich Mathematical Papers for Admission Into the Royal Military Academy ...

Eldred John Brooksmith - 1904 - 378 σελίδες
...answered.] Gravitational acceleration = 32 foot-second units. 1. Three forces acting at a point can be represented in magnitude and direction by the sides of a triangle taken in order. Prove, from first principles, that the algebraic sum of the moments of the three forces about any point...

An Introduction to the Design of Beams, Girders, and Columns in Machines and ...

William Henry Atherton - 1905 - 294 σελίδες
...have now 3 forces meeting at a point and keeping the lever in equilibrium. Hence these forces can be represented in magnitude and direction by the sides of a triangle taken in order. Draw this triangle by setting off W equal to 1 ton and drawing parallels to the other forces. This...

An Intermediate Course of Mechanics

Alfred William Porter - 1905 - 440 σελίδες
...hour. Give the direction as well as the magnitude of the force. 5. Three forces represented completely by the sides of a triangle taken in order act on a rigid body. Will they keep it in equilibrium ? If they were moved so as to act on a particle, would...

A Technological and Scientific Dictionary

George Frederick Goodchild, Charles Frederick Tweney - 1906 - 892 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ]
Δεν υπάρχει διαθέσιμη προεπισκόπηση - Σχετικά με αυτό το βιβλίο

A technological and scientific Dictionary

1114 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ]
Δεν υπάρχει διαθέσιμη προεπισκόπηση - Σχετικά με αυτό το βιβλίο




  1. Η βιβλιοθήκη μου
  2. Βοήθεια
  3. Σύνθετη Αναζήτηση Βιβλίων
  4. Λήψη ePub
  5. Λήψη PDF