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Why strain has no unit?
Strain is a dimensionless quantity that represents the deformation of an object relative to its original size. It is calculated as the change in length divided by the original length, making it unitless. This is because strain is a ratio of two lengths, and as such, it does not require a unit to quantify its value.
How do you measure elongation of tension specimen?
The elongation of a tension specimen can be measured by marking a gauge length on the specimen before testing it and then comparing the final length of the specimen after it has been stretched to the original gauge length. The elongation can be calculated using the formula: Elongation = ((final length - original length) / original length) x 100%.
Which bones are almost equal in length and width?
The scaphoid bone in the hand is almost equal in length and width. The talus bone in the foot is also nearly equal in length and width.
When a substance change and still retains its original properties the change is called what?
When a substance changes but still retains its original properties, the change is called a physical change. If it didn't retain its original properties, then it went through a chemical change.
When are day and night the same length and what is the phenomenon called?
The length of day and night is equal at the Vernal and Autumnal equinox.
How to calculate deformation in a material under stress?
To calculate deformation in a material under stress, you can use the formula for strain, which is the change in length divided by the original length of the material. This can be represented as L / L, where is the strain, L is the change in length, and L is the original length of the material. By measuring the change in length and the original length, you can determine the deformation of the material under stress.
If the length of the string is 4 times its original length state the change in the period Ts?
4545454545
How to find strain in a material under stress?
To find the strain in a material under stress, you can use the formula: Strain Change in length / Original length. Measure the change in length of the material when it is under stress and divide it by the original length of the material. This will give you the strain value.
Which of the following is dimensionless quantity a. stress b. strain c. momentum d. force?
Strain is dimensionless quantity because strain is the ratio of the same quantities like change in length/original length,,change in volume/original volume. e.g tensile strain=(change in length)/(original length)=m/m (S.I unit) so its a dimensionless quantity.
Formula for extension?
The formula for extension (lengthening) of a material under tensile stress is given by: Extension = Original Length x Strain = Original Length x (Final Length - Original Length) / Original Length. It represents the change in length of a material when subjected to a stretching force.
What is Angular velocity equal too?
Angular velocity is equal to the change in theta / change in time theta equals the arc length/ radius
How did the average hind-limb length of each island's lizard population change from that of the original population?
The average hind-limb length of each island's lizard population change form that of the original population because of adaptation.
What is the value obtained by multiplying a number by itself?
It is the square of the original number. If the original number represents a length, then the square of the original number represents an area of a square with side equal to the original number.
Use what to change uneven columns into more equal length?
column breaks
A cardboard box has a length of 3 feet height of 2 feet and depth of 2 feet If the length and depth are doubled by what percent does the volume of the box change?
300% The volume of the original box is ?. The volume of the box with the length and depth doubled is ?. The amount of change in volume is 60 - 15 = 45. The percent change is the amount of change in volume divided by the original volume:
Why strain has no unit?
Strain is a dimensionless quantity that represents the deformation of an object relative to its original size. It is calculated as the change in length divided by the original length, making it unitless. This is because strain is a ratio of two lengths, and as such, it does not require a unit to quantify its value.
If a convex lens of focal length f splits into two equal parts what will be the new focal length?
there can be two ways to cut a convex lens into two equal parts-- one, along the principal axis and another, perpendicular to the principal axis. If the lens is cut along the principal axis, then there will bo NO change in the focal length of the lens. But, if it is cut perpendicular to the principal axis, then the focal length will be twice the original one.
