Search results
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.
Define impulse. Describe effects of impulses in everyday life. Determine the average effective force using graphical representation. Calculate average force and impulse given mass, velocity, and time.
When a force is applied on an object for some amount of time, the object experiences an impulse. This impulse is equal to the object’s change of momentum. Newton’s second law in terms of …
Describe momentum, what can change momentum, impulse, and the impulse-momentum theorem; Describe Newton’s second law in terms of momentum ; Solve problems using the impulse-momentum theorem
Impulse. These concepts are merely an outgrowth of Newton's second law as discussed in an earlier unit. Newton's second law (F net = m • a) stated that the acceleration of an object is directly proportional to the net force acting upon the object and inversely proportional to the mass of the object.
Explain what an impulse is, physically. Describe what an impulse does. Relate impulses to collisions. Apply the impulse-momentum theorem to solve problems. We have defined momentum to be the product of mass and velocity.
Impulse is a vector quantity; an impulse of, say, −(10 N • s) \(\hat{i}\) is very different from an impulse of +(10 N • s) \(\hat{i}\); they cause completely opposite changes of momentum. An impulse does not cause momentum; rather, it causes a change in the momentum of an object.
