Wooden Rule 1 Meter Yard Stick Ruler Imperial & Metric Measurements mm cm inches Markings Hardwood School Office Tailors Bench with Handle for Easy Measuring (1 Meter Ruler)

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Wooden Rule 1 Meter Yard Stick Ruler Imperial & Metric Measurements mm cm inches Markings Hardwood School Office Tailors Bench with Handle for Easy Measuring (1 Meter Ruler)

Wooden Rule 1 Meter Yard Stick Ruler Imperial & Metric Measurements mm cm inches Markings Hardwood School Office Tailors Bench with Handle for Easy Measuring (1 Meter Ruler)

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I will drill five holes at the points 0.05, 0.1, 0.15, 0.2, 0.25 meters. This should result in enough data to draw accurate conclusions from. The nail used to go through the holes was not small enough and could have caused friction between the nail and the material causing it to slow down. I will not move when I am placing the weights on the rule and recording my results. I shall do this by keeping the weights near. These stresses may act together, producing compound stresses, as in flexure. When a bow is bent there is a compression of the fibres on the inner or concave side and an elongation of the fibres on the outer or convex side.

Meter Rule - GCSE Science - Marked Mechanical Properties of a Meter Rule - GCSE Science - Marked

Wooden puzzle height chart child-baby wall personalized CHAT - Laser cut-Laser cut-Decoration-Size scale-Ruler-Measure sizeBased on my graph where only 0.98N were attached to the centre of the rule, as the length increased the sag also increased and it produced a straight line which proved that the reason it curved when more weights were added was due to its elastic limit. I think the results I gained from this experiment were sufficient enough for me to come to a formal conclusion. The results prove that the extension of the rulers depend upon the force of the weight. When the distance between the supports increased the sag also increased, but not in a proportional way. As you can see, my graph produced a curve and this was due to the bonds in the wooden rule reaching it elastic limit. The bonds in the wooden rule started to reach their elastic limit at about 0.75m, the bonds in the metal rule some of the bonds started to there elastic limit at about 0.70M. The sag at the point when the elastic limit was reached for the metal rule was about 0.01m, whereas the sag point when the elastic limit was reached for the wooden rule was about 0.0015. This shows that the wooden rule has a lower elastic limit compared to the metal one. Family Height Chart Personalized Growth Chart Baby Growth Chart Wooden Nursery Decor Family Wall Decor Height Chart for Kids

Meter Ruler — SmartLabs Meter Ruler — SmartLabs

Air resistance, I did the experiment near some windows and this could have affected the experiment. When the distance between the supports increased the sag also increased, but not in a proportional way, just like in the wood. The reason it curved was just like the reason the wood curved, this was because the bonds were reaching its elastic limit.

Study of the mechanical properties of a material is concerned mostly with its behaviour in relation to stresses and strains, and the factors affecting this behaviour. Stress is a distributed force and may be defined as the mutual action: Elastic limit as measured in tests and used in design may be defined as that unit stress at which the deformation begins to increase in a faster ratio than the applied load. In practice the elastic limit of a material under test is determined from the stress-strain diagram. It is that point in the line where the diagram begins perceptibly to curve. The second experiment I will do is the compound pendulum, with this I will be able to work out the time period, and see if there is a relationship between the sag and time period. To get an accurate set of results from this experiment it has to be fair. Here are the steps I will take to make the experiment as fair as possible.

Wood Metre Ruler - Etsy UK Wood Metre Ruler - Etsy UK

As the stress increases there is a corresponding increase in the strain. This ratio may be graphically shown by means of a diagram with the stress on the y-axis and the strain on the x-axis. This is known as the stress-strain diagram . Within the limit mentioned above the diagram is a straight line. The greater the resistance a material offers to deformation the steeper the vertical axis will be the line. If the results of similar experiments on different materials of a meter rule are plotted to the same scales, comparison is easy. The distance the rule was moved to be ready for the swing was 0.2 meters. This could have not been accurate for each experiment as I had moved and so the position may seem the same but in fact be different. My graph of time period² against length showed me a straight line, if the value at 0.25m is ignored. The reason for that anomaly could be because of a number of things: I will make sure the horizontal ruler is straight and not bent as this would cause readings to be read incorrectly.Deer, Wooden Height Growth Chart Ruler for Kids, Roe Doe, Nursery Forest Woodland Decor, Boho Farmhouse, Kids Gifts for Easter Christening X2 on the graph is the point from the nail to the centre of the rule which is the length of the rule. The measure of the stiffness of a material is termed the modulus of elasticity. It is the ratio of stress per unit of area to the deformation per unit of length. Knowledge of these properties is obtained through experimentation either in the employment of the wood in practice or by means of special testing apparatus in the laboratory. Owing to the wide range of variation in meter rulers it is necessary that a great number of tests are made and that so far as possible all disturbing factors be eliminated. For comparison of different kinds or materials a standard method of testing is necessary and the values must be expressed in some defined units. For these reasons laboratory experiments if properly conducted have many advantages over any other method. I think my investigation went pretty well. I am very pleased with the results I gained because they had shown me a good trend/pattern which I could refer to.



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