A physical change.
Up/Down arrow key.
Yes, it can change state. Just freeze it.
A change of state is a change in the object from a solid to a liquid. Other changes of state are a solid to a gas or from a liquid to a solid.
not always, like the change is in the display without change in composition then it is change of state, other then will be chemical change
A force can be represented by an arrow in which the size of the force is represented by the length of the arrow (on some artbitrary but defined scale) and the direction of the force is the diretion of the arrow.
Velocity.
The length of the arrow signifies the magnitude or size of the vector.
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Yes, but only if the size (length) of the arrow is related to some scale.
In short, yes.
A vector.
Sagittarius shoots its arrow at the heart of Scorpius, represented by the reddish star Antares.
The symbol for change is often represented by an arrow, which can indicate progress, movement, or transformation. Additionally, the Greek letter Delta (∆) is also commonly used to symbolize change, particularly in mathematics and science.
In most sites to download is represented by a downwards arrow.
The direction and stength of a force can be represented by an arrow. The arrow points in the direction of the force.
It is usually represented by a lower case letter with a horizontal arrow above it. In print, the letter will usually be bold.