Search results
1. a. : a force that starts a body into motion. b. : the motion produced by an impulse. 2. : a sudden stirring up of the mind and spirit to do something. an impulse to run away. buy something on impulse.
In classical mechanics, impulse (symbolized by J or Imp) is the change in momentum of an object. If the initial momentum of an object is p1, and a subsequent momentum is p2, the object has received an impulse J : Momentum is a vector quantity, so impulse is also a vector quantity.
IMPULSE definition: 1. a sudden strong wish to do something: 2. because you suddenly want to, although you haven't…. Learn more.
IMPULSE meaning: 1. a sudden strong wish to do something: 2. because you suddenly want to, although you haven't…. Learn more.
sudden, involuntary inclination prompting to action: to be swayed by impulse. an instance of this. a psychic drive or instinctual urge. an impelling action or force, driving onward or inducing motion. the effect of an impelling force; motion induced; impetus given.
What is impulse? Impulse is a term that quantifies the overall effect of a force acting over time. It is conventionally given the symbol J and expressed in Newton-seconds. For a constant force, J = F ⋅ Δ t . As we saw earlier, this is exactly equivalent to a change in momentum Δ p . This equivalence is known as the impulse-momentum theorem.
An impulse is a sudden force or desire — this could be an electrical impulse, or an impulse to get some pizza. If you act on a sudden feeling or thought, you’re following an impulse. That's like a whim: an impulse isn't something you've given a lot of thought. Another meaning of impulse is an electrical charge or pulse.
noun. /ˈɪmpʌls/ [countable, usually singular, uncountable] impulse (to do something) a sudden strong wish or need to do something, without stopping to think about the results. He had a sudden impulse to stand up and sing. I resisted the impulse to laugh. Her first impulse was to run away.
noun. uk / ˈɪmpʌls / us. impulse noun (FEELING) Add to word list. a sudden feeling that you must do something, without thinking about the results: [ usually singular ] Her first impulse was to run away. on impulse. suddenly and without thinking first: I tend to act on impulse. impulse noun (SIGNAL)
4 days ago · An impulse is a sudden desire to do something. Unable to resist the impulse, he glanced at the sea again. He still couldn't understand the impulse that had made him confide in Cassandra. Wade resisted an impulse to smile. Synonyms: urge, longing, desire, drive More Synonyms of impulse. 2. countable noun.
