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Adding Forces summary
The resultant force vector is the vector sum of all other external forces. This can be found graphically by placing the arrows on top of each other or analytically by summing up all horizontal and vertical components.
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SFD and BMD example 3
Another way to draw the Shear Force Diagram (SFD) and Bending Moment Diagram (BMD) is to apply the formulas
dV/dx = - w
an
d
dM/dx = V
First find the reaction forces on the beam using...
dV/dx = - w
an
d
dM/dx = V
First find the reaction forces on the beam using...
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SFD and BMD example 1
Here I show you how to draw the Shear Force Diagram (SFD) and Bending Moment Diagram (BMD) for simple loading.
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SFD and BMD example 2
A distributed load is a force per unit length (N/m). The steps are:
1) draw th
e FBD
2) replace distributed load, w with a point force located at the centroid of the distri
buted load
3)
find reactions
4) make a cut...
1) draw th
e FBD
2) replace distributed load, w with a point force located at the centroid of the distri
buted load
3)
find reactions
4) make a cut...
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Tension and Pulleys in static equilibrium Example 1
Here we solve for the constant tension in the rope of a pulley system in static equilibrium. Remember the assumption that the tension is uniform everywhere is valid if:
1) The system is in static equili
brium
2) The rope i
s...
1) The system is in static equili
brium
2) The rope i
s...
Crash Course
Crash Course Physics #13: Statics
The Physics we're talking about today has saved your life! Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study of objects when they're NOT accelerating. In this video [9:07] episode of Crash...