Momentum Flashcards
1
Q
Conservation of momentum (theory)
A
An isolated system is free from the influence of a net external force that alters the momentum of the system.
2
Q
Law of conservation of momentum
A
The total linear momentum of an isolated system remains constant
3
Q
What is impulse
A
Impulse is the product of the net force and the contact time
4
Q
Describe the relationship between impulse and CHANGE in momentum
A
Impulse and change in momentum are equivalent
5
Q
What is an inelastic collision
A
Ek is not conserved, as it is transferred into heat or light energy in a collision
6
Q
What is an elastic collision
A
Ek is conserved
7
Q
What is Newton’s 2nd law in terms of momentum
A
The net force acting on an object is equal to the rate of change of momentum of the object in the direction of the net force
