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Application of Enginerring Principles - Essay Example

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Application of Enginerring Principles

Moreover, the steel in question tends to deform as much as the concrete which helps it to bear greater loads too. Another reason for composite cylinders being better at load bearing is because the constituent materials are distinct and are trying to move past each other within the overall structure. The presence of friction between the composing materials of a cylinder enable it to take larger loads too because the friction would need to be overtaken if the cylinder were to disintegrate. Question Two a. Based on the results obtained from Shear Force Measurement Experiment in the laboratory: i. Name the type of beam used. ????? ii. Critically analyse the variations of theoretical shear force and experimental shear force at the sensor for the given load condition in the laboratory. ????? iii. Usually measuring instruments absorbs some input energy to respond. Discuss how this affects the measurement. Measuring instruments absorb some of the energy that is produced in an experimental or other situation. The instruments need energy to generally overcome their own internal inertias. The absorption of energy tends to lower the amount of force actually available for measurement. However, in most situations the instruments are kept simple and light enough to ensure that the loss of energy is not too high to affect the actual measurement process. iv. Analyse the indication of a sudden change in shear force from negative to positive value. Positive shear tends to produce positive bending with geometrical minimas becoming apparent. On the other hand, negative shear tends to produce negative bending with geometrical maximas becoming apparent. As soon as the shear changes from negative to positive, the shape of the sag in the object changes as mentioned...
For example, in the case of steel reinforced steel bars, the steel has a greater tensile strength and being stronger can bear larger loads than what concrete could otherwise bear. Moreover, the steel in question tends to deform as much as the concrete which helps it to bear greater loads too. Another reason for composite cylinders being better at load bearing is because the constituent materials are distinct and are trying to move past each other within the overall structure. The presence of friction between the composing materials of a cylinder enable it to take larger loads too because the friction would need to be overtaken if the cylinder were to disintegrate.
Discuss why the knowledge of moment of inertia is important in weight lifting machines.
Weight lifting machines employ masses that are supposed to rotate around standard axis (both horizontal and vertical) as well as masses that are lifted. Determination of the moment of inertia helps to establish how much a human being would have to exert in order to rotate the mass such as at a butterfly machine (rotating weights using your arms). The moment of inertia is required merely for weight lifting machines that employ rotational techniques. If the moment of inertia is not determined in these machines, then there is little chance of developing ergonomically compliant machines. ...Show more

Summary

A composite cylinder can bear greater load than a conventional cylinder. This is due to the presence of materials that have greater tensile strength than the majority composing material…
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