2356004
Beschreibung
Mindmap von Noah Swanson, aktualisiert more than 1 year ago
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Erstellt von Noah Swanson
vor etwa 9 Jahre
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Momentum & Collisions
- P=mv
- Momentum(kg m/s) = Mass(kg) X Velocity(m/s)
- Momentum(kg m/s) = Mass(kg) X Velocity(m/s)
- Momentum is a vector because it has size and direction
- Total Momentum before collision
= Total Momentum after collision
- Forces & Momentum
- A force acting on an object
can cause a change in
momentum
- A larger change in force results in a faster change in momentum
- A smaller change in force results in a slower change in momentum
- A larger change in force results in a faster change in momentum
- Momentum in a car crash
- In a car crash the momentum of a
person changes very quickly so the
force that affects them will be very
large and likely to cause injury
- So cars are now
designed to slow people
down over a longer
period of time to
reduce the force
- Some examples of
these features are:
- Crumple zones
- Seat belts
- Air Bags
- Crumple zones
- Some examples of
these features are:
- So cars are now
designed to slow people
down over a longer
period of time to
reduce the force
- In a car crash the momentum of a
person changes very quickly so the
force that affects them will be very
large and likely to cause injury
- A force acting on an object
can cause a change in
momentum
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