Momentum, collision and impulse comprehensive notes
1 view 0 purchase
Course
Physical Sciences
Institution
12th Grade
This document entails comprehensive information about Momentum, collision and impulse, including definitions, diagrams and additional information to ensure a thorough understanding of the concepts. All of the information needed to calculate the answers to the difficult questions in examinations are...
The product of an object’s mass and its velocity
p=mv
Measured in kgms-1
Vector (direction same as direction of velocity)
Directly proportional to velocity
Change in momentum
p = mv
Change in momentum is in the same direction as the force causing
the change
If the Fnet acting on the object = 0, there is no change in
momentum
Newton’s 2nd Law of Motion in terms of Momentum
The resultant force acting on an object is equal to the rate of
change of momentum of the object in the direction of the resultant
force
Fnet = p∆t
Conservation of Momentum
The total linear momentum of a closed system remains constant
Isolated system a system free from the influence of a net external
force (law only applies to isolated systems)
Total momentum before collision = total momentum after collision
mAvAi+mBvBi= mAvAf+mBvBf where f = after the collision and i = before
the collision
Must choose a + direction when applying law
Collisions
There are 3 types of collisions:
1. Start with 2 objects and end with 2
2. Start with 1 object and end with 2 (explosion)
3. Start with 2 objects and end with 1
Momentum is always conserved in collisions
Kinetic Energy isn’t always conserved- objects deform (give off
light, produce sound, heat up, change shape)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller fatimakarjieker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.01. You're not tied to anything after your purchase.
