impulse
/ˈɪmpʌls/
noun
Meaning
A thrust; a push; a sudden force that impels.
A wish or urge, particularly a sudden one prompting action.
"The impulse to learn drove me to study night and day."
The integral of force over time.
"The total impulse from the impact will depend on the kinetic energy of the bullet."
verb
Meaning
To impel; to incite.