Used to describe a physical force causing motion, often in mechanics or physics. The impulsion from the engines moved the ship forward.
Pro Tip 2/3
Not Emotional
Don't confuse 'impulsion' with 'compulsion,' which has a psychological aspect. The impulsion of the car is mechanical, unlike a compulsion to eat sweets.
Pro Tip 3/3
Scientific Context
Frequently used in scientific discussions about energy and forces. Studying impulsion helps understand how rockets escape Earth's gravity.