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When a muscle contracts but does not change length, it is undergoing isometric contraction. During this type of contraction, the muscle generates tension without any visible movement or change in the muscle's length. This is commonly observed when holding a weight in a fixed position or pushing against an immovable object. Isometric contractions are important for stabilizing joints and maintaining posture.
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What happens to the length of a muscle when it contracts?
When a muscle contracts, it shortens in length.
How long can FDDI networks get?
FDDI networks can be up to 124 miles (200 kilometers) in length
What is it called when a Muscle contracts against a constant movable object?
an isometric contraction iso=same metric=length therefore the muscle maintains the same length as it contracts
Variable-length packets and ststistical multiplexing are characteristics of?
... packet-switching networks.
Why is length measured with a metre stick when its cold?
Length is typically measured using a meter stick when it's cold because metal contracts as it cools down. This contraction can cause a change in its length, which could affect the accuracy of the measurement. A meter stick is calibrated at a specific temperature (usually room temperature) to minimize errors in length measurements.
Ethernet networks max utp cable length?
100 meters. Which is 324 feet.
Is length of an object a physical or chemical change?
The length of an object changing is a physical change, as it does not involve a change in the substance's chemical composition.
How does a thermeter work?
A thermometer works by measuring temperature using a temperature-sensing element, such as mercury or a thermocouple. When the element is exposed to a change in temperature, it expands or contracts, producing a corresponding change in length that is displayed on a scale. The scale provides a numerical value to represent the temperature.
What is an example of a physical change that happens inside your body?
An example of a physical change that happens inside your body is the contraction of a muscle. When a muscle contracts, its length decreases, but its composition remains the same. This physical change allows movement and various bodily functions to occur.
How does a thermometer work?
A thermometer works by measuring the temperature of an object or environment using a liquid or metal that expands or contracts with changes in temperature. This causes the level of the liquid or the length of the metal to change, which is then converted into a temperature reading on a scale.
Does muscle length change during isometric movements?
No, the length of the muscle fibers does not change. In isotonic movements is when the length changes.
What is define coefficient of area expansion?
The coefficient of area expansion measures the relative change in area of a material with respect to a change in temperature. It is a material property that quantifies how much a material expands or contracts as the temperature changes. It is denoted by the symbol α.
