Momentum Flashcards
what type of quantity is momentum
a vector quantity
what does the law of conservation of momentum state
it states that momentum cannot be created or destroyed
what is the equation for momentum
Momentum = Mass x Velocity
what is the equation for change in momentum
Change in momentum = mv - mu
what does m v AND u stand for In the equation mv - mu
m = Mass u = initial velocity v = final velocity
what is momentum measured in
momentum is measured in kgm/s
what is momentum equal to
momentum is equal to the velocity multiplied by mass
when does a change in momentum happen
a change in momentum happens when a force acts on an object that is moving or has the ability to move
in acceleration and momentum what is the equation for acceleration
acceleration = change in velocity / time taken
what is the equation for force
force = mass x acceleration
what does force equal to
force equals to the rate of change of momentum
what are the safety features In cars in regards to collision and what do they do
safety features in cars are:
1) Seat belts
2) Air bags
3) Crumple zones
these features reduce injuries by absorbing as much energy when they change shape
