Mechanics - Momentum and Impulse Flashcards
What is the symbol for momentum?
p
What is the equation for momentum?
p=mv
Momentum = mass x velocity
What type of quantity is velocity?
Vector
What type of quantity is mass?
Scalar
What type of quantity is momentum?
Vector
1kg =
1000g
What is the simple equation for impulse?
I=Ft
Impulse = force x time
What type of quantity is foce?
Vector
What type of quantity is time?
Scalar
What type of quantity is impulse?
Vector
How can you calculate acceleration?
A = (v-u)/t
(Change in velocity ÷ time)
What simple equation should you always remember?
F=ma
What is the second equation for impulse?
I=m(v-u)
Impulse = mass(final velocity - initial velocity)
What is the third equation for impulse?
I=∆p
Impulse = change in momentum
Impulse = final momentum - initial momentum
What are the units of momentum?
Kgms^-1 or Ns