physics chapter 1.6
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7 Terms
What is momentum
Product of an objects mass and velocity. mass x velocity, kg m/s. vector
What is impulse
Product of an force and time interval of which an force acts / change in momentum. force x time interval
how does cars use impulse for safety
crumple zones increase time during the crash so the force decreases
What is the principle of conservation of momentum
total momentum before event is equal to total momentum after event
how to calculate 1d collision meaning on same line before and after hit
use the principle of conservation of momentum. m1u1+m2u2=m1v1+m2v2
how to calculate momentum for explosion (start at rest)
m1v1= - m2v2
how to calculate resultant force for momentum
change in momentum/change in time