Inertia.
A body at rest is in a state of equilibrium. This means that the net forces acting on the body are balanced, resulting in no movement.
The term you are looking for is "inertia." Inertia is the resistance of an object to changes in its motion or state of rest.
An object that is not in motion is said to be in a state of rest. This means that the object's position and speed are not changing.
Immobile (though I don't quite understand what you mean by science word)
When the body is at rest, it means that it is not exerting any physical effort and is in a state of relaxation. This typically involves minimal movement and reduced energy expenditure. Rest is important for allowing the body to recover and recharge.
That means that something is at rest, i.e., not moving.
You could use "un-," as in "she was in a state of unrest." Or the word "arm" to form "armrest," but that's not a prefix.
The word you are looking for is rest. Rest is a break from work.
perch
Arm, (Arm rest) Leg, (Leg rest)
"Fuatino" is a Samoan word that means "to rest" or "to pause."
That means that something is at rest, i.e., not moving.
A body at rest is in a state of equilibrium. This means that the net forces acting on the body are balanced, resulting in no movement.
Rest?
The Latin equivalent of 'Rest when I die' is Requiesce quando morior. In the word-by-word translation, the verb 'requiesce' means 'rest'. The dependent conjunction 'quando' means 'when'. The verb 'morior' means '[I] die'.
The word with the prefix "dis" that means in the state of not believing is "disbelief."
How = eykh. the word "is" depends on the rest of the sentence. There is not actual Hebrew word that means "is").