Resultant vectors can be estimated by drawing parallelograms as indicated below.
The method can also be used with more than two vectors as indicated below.
In the example above - first find the resultant F(1,2) by adding F1 and F2, and the resultant F(3,4) by adding F3 and F4. The find the resultant F(1,2.3,4) by adding F(1,2) and F(3,4).
The SI-system, unit converters, physical constants, drawing scales and more.
Motion - velocity and acceleration, forces and torque.
Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more.
Forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more.
Loads - forces and torque, beams and columns.
Friction, load and effort forces acting in ropes turned around bollards.
Complex numbers are used in alternating current theory and mechanical vector analysis.
The force required to keep a system of forces in equilibrium.
Newton's third law - force vs. mass and acceleration.
Reduced load capacities in ropes, cables or lines - due to acting angle.
One side of a triangle when the opposite angle and two sides are known.
Calculate oblique triangles.
Verifying square corners.
Areas of regular polygons - polygons with 3 to 12 sides.
Right angled triangle equations.
Equations for differentials and integrals.
Function as an infinite sum of terms.
Torque or moment - the tendency of a force to rotate an object.
Sine, cosine and tangent - the natural trigonometric functions.
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