'Tension forces' diaporamas de présentation

Physics of Bridges

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Physics of Bridges

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Folding and Faulting

Folding and Faulting. Chapter 4, Sec. 4. Stress. Amount of force per area put on an object. Rocks can change shape due to stress. Three types of stress:. Compression Tension Shear. FOLDING. Rock layers bend due to stress Assume most rocks are laid down horizontal. FAULTS.

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Bridges

Bridges. What is a bridge?. A bridge is a structure that allows people or vehicles to cross an obstacle is a structure built to span a valley, road, body of water, or other physical obstacle, for the purpose of providing passage over the obstacle. Types of bridges. Beam bridges Truss bridges

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#21-Mafic

#21-Mafic. Definition: Igneous rocks that contain dark colored minerals. #22-Magnitude. Definition: A measure of the size of an earthquake based on the amount of ground motion experienced: specified on the Richter scale . #23-Mantle.

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Earthquakes

Earthquakes. 8 th Grade Science Mrs. Pientok. Forces inside Earth. When rocks break they move along faults. Applied forces cause rocks to undergo elastic deformation. When elastic limits are passed, rocks break.

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Forces in Machines (Chapter 4)

Mr. Leavings. Forces in Machines (Chapter 4). What are we going to Learn?. Describe and Explain a simple machine Apply the concept of input force and output force Determine the mechanical advantage of different machines. Mechanical Systems and Machines. What is a machine?.

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Faults

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Bridges

Bridges. Types and Characteristics. What do they do?. Bridges provide a way to get from one place to another that would have been hard to get to, due to an obstacle. Such as: a river, highway, valley, railroad tracks etc. Major Types of Bridges. Beam Arch Truss Suspension. Beam Bridge.

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Tension

Tension. Tension Forces. A taut rope has a force exerted on it. If the rope is lightweight and flexible the force is uniform over the entire length. This force is called tension and points along the rope. forces on the block. forces on the rope. F T. F N. F rope. -F T. F fr. m. m.

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Forces & Structures

Forces & Structures . Types of Structures. Shell Structure. Has a solid surface and a hollow interior Ex. Egg shells, egg cartons, domed roofs, helmets, shoeboxes Curved structure are stronger than shell structures with surfaces Strong shells can be made from weak materials (ex. eggshells).

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REFERENCES Mathias Carlen, Computation and Visualization of Ideal Knot

Forces and momenta of forces within the most tight trefoil knot Sylwester Przybyl Poznan University of Technology, Poland.

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