impetus |
| noun
- A force, either internal or external, that impels; an impulse.
- The force or energy associated with a moving body; a stimulus.
- An activity in response to a stimulus.
| | impulse |
| noun
- A wish or urge, particularly a sudden one.
- The to learn drove me to study night and day.
- When I saw the new dictionary, I couldn't resist the to browse through it.
- (physics) The integral of force over time.
- The total from the impact will depend on the kinetic energy of the bullet.
| impulsive |
| adjective
- Having the power of drive, driving or impelling; giving an impulse; moving; impellent.
- actuate, Actuated by impulse or by transient feelings.
- (mechanics) Acting momentarily, or by impulse; not continuous; -- said of forces.
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