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When we bend a plastic ruler........ it bends in a specific plane in which the value of ots flexural rigidity is less i.e. in a plane where its moment of inertia is less............... it forms a deflection curve, the upper part goes into compression and the lower part into tension keeping a specific fibre called the neutral fibre the same in length. Also Bending stresses are developed which oppose the bending of the ruler.
This phenomenon is based on the theory of bending of beams under the scope of strength of materials
What else can I help you with?
Which is more accurate a plastic ruler or a steel ruler?
Accuracy has more to do with the measurement lines on the ruler than the material. In terms of making measurements , however, a steel ruler has several advantages to a plastic ruler of the same accuracy. For starters, steel rulers are often thinner than plastic rulers, positioning the measurement lines closer to the paper. As well as this, many steel rulers feature a backing made of a gripping material such as cork, which keeps the ruler firmly planted while drawing lines and making measurements. Lastly, the measurement lines on steel rulers are frequently embedded into the metal, whereas plastic rulers tend to have the lines painted on. After a while, these marks can be worn away, reducing the accuracy and readability of a plastic ruler.
Why does a plastic ruler when heated melts while a steel ruler does not?
Plastic rulers are made of polymers that have lower melting points, causing them to melt when heated. Steel rulers are made of a metal alloy with a much higher melting point, so they do not melt when heated at typical household temperatures.
When wires are bent is that an example of chemical change?
No, bending wires is a physical change, not a chemical change. Chemical changes involve the formation of new substances with different chemical properties, while bending wires only alters their shape and does not change their chemical composition.
Dissolve hard-water buildup on plastic?
To dissolve hard water buildup on plastic, the plastic can be sprayed with a solution of white vinegar and water. Let the solution stay on the material for a while, then wash with a dish soap and rinse well. Smaller pieces can be soaked in vinegar and water for a while, then washed.
What kind of plastic bends?
A couple methods can be used. A heat gun which would require more than one person to help bend it, while one uses the equipment, or you can use a heat tape. For further details, see related links below.
What is the name of the piece of equipment used to bend plastic when it is hot?
The equipment used to bend plastic when it is hot is called a heat gun or a plastic bending machine. A heat gun blows hot air onto the plastic, softening it for bending, while a plastic bending machine often uses heating elements to achieve precise bends. Both methods allow for shaping plastic without causing damage.
What are the effects of the forces on the ruler when it is bend?
When a ruler is bent, it experiences internal forces called tension and compression. Tension occurs on the outer side of the bent ruler, while compression occurs on the inner side. These forces tend to resist the bending and try to restore the ruler to its original shape.
What is approximately the weight of a 30cm ruler?
A typical 30cm plastic ruler weighs around 30-40 grams, while a wooden ruler of the same size may weigh slightly more.
Which is more accurate a plastic ruler or a steel ruler?
Accuracy has more to do with the measurement lines on the ruler than the material. In terms of making measurements , however, a steel ruler has several advantages to a plastic ruler of the same accuracy. For starters, steel rulers are often thinner than plastic rulers, positioning the measurement lines closer to the paper. As well as this, many steel rulers feature a backing made of a gripping material such as cork, which keeps the ruler firmly planted while drawing lines and making measurements. Lastly, the measurement lines on steel rulers are frequently embedded into the metal, whereas plastic rulers tend to have the lines painted on. After a while, these marks can be worn away, reducing the accuracy and readability of a plastic ruler.
How many grams does an ruler weigh?
The weight of a ruler can vary depending on the material it is made of. On average, a plastic ruler weighs about 5-10 grams, while a wooden ruler may weigh between 10-20 grams.
How much does a ruler weigh?
A typical plastic ruler weighs around 0.3 to 0.5 ounces, while a wooden ruler may weigh slightly more, around 0.5 to 1 ounce.
Why does a hard wire break while bending it in the opposite direction?
it is not used to bending in that direction
What is a thickness of a ruler?
The thickness of a standard ruler typically ranges from about 0.3 to 0.5 centimeters (3 to 5 millimeters), depending on the material and design. Plastic rulers are often thinner, while wooden or metal rulers can be slightly thicker. It's important to check the specific ruler for its exact measurements, as there can be variations.
How much is a ruler grams or kilograms?
A standard plastic ruler typically weighs about 20 to 30 grams, while wooden or metal rulers can weigh slightly more, around 30 to 50 grams. In kilograms, this translates to approximately 0.02 to 0.05 kilograms. The exact weight can vary based on the material and length of the ruler.
What materials is a ruler made out of?
Rulers are commonly made out of materials like wood, plastic, or metal. Wood rulers are economical and lightweight, plastic rulers are durable and affordable, while metal rulers are more sturdy and often used for precision measurements.
Is a ruler a mineral?
It depends on the ruler. If the ruler is plastic then it would be non renewable or man made and it is not a mineral because it wont follow the minerals four characters which is crystal structure, inorganic, from nature and a solid. Now if it was a rubber or wood then its a whole other story. So basically a ruler is not a mineral.
Is Hades ruler of the underworld?
Yes, while Hades is not am olympian, he is ruler of the underworld.
