impulse

impulssi

kiihoke

mielijohde A thrust; a push; a sudden force that impels.
S. Clarke

All spontaneous animal motion is performed by mechanical impulse.

The impulse to learn drove me to study night and day.

When I saw the new dictionary, I couldnt resist the impulse to browse through it.''

These were my natural impulses for the undertaking.

The total impulse from the impact will depend on the kinetic energy of the bullet.

(rfquotek)