643091
Description
Note by chloe.nicola69, updated more than 1 year ago
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Created by chloe.nicola69
over 10 years ago
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Page 1
Work energy and momentum
Engery transfer = work
W=FxDWork ForceDistance
Gravitational potential depends on weight
E=MxGxHmassgravitational fieldheight
Kenetic engery depends on mass and speed
E=1/2xMxVmass speed
Momentum = kgm or Ns has a size and direction and is conserved.
Explosions= two objects pushing apart
Car saftey;Seat belts increase impact timeCrumple zones slow momentumAir bags spread force
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