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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
Learn about impulse for your IGCSE Physics exam. This revision note includes calculating impulse, diagrams and worked examples.
What is impulse? Answer: Impulse is the product of a force and the time interval over which it acts on an object. It represents the change in momentum of the object and is given by the formula Impulse = F × Δ t. How does impulse relate to momentum? Answer: Impulse is equal to the change in momentum of an object. If an object experiences an ...
Relate impulses to collisions. Apply the impulse-momentum theorem to solve problems. We have defined momentum to be the product of mass and velocity. Therefore, if an object’s velocity should change (due to the application of a force on the object), then necessarily, its momentum changes as well.
The quantity impulse is calculated by multiplying force and time. Impulses cause objects to change their momentum. And finally, the impulse an object experiences is equal to the momentum change that results from it.
24 Μαΐ 2023 · Impulse is the change of momentum of an object when the object is acted upon by a force for an interval of time. So, with impulse, you can calculate the change in momentum, or you can use impulse to calculate the average impact force of a collision. The formula for impulse is: Impulse = Force * time = force * Delta t.
The idea here is that you can calculate the impulse on the object even if you don’t know the details of the force as a function of time; you only need the average force.
