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S.A.F.E.R (Steel And Foam Energy Reducing
Barriers) CER
Vocabulary to Use
How do the Nascar S.A.F.E.R barriers
Momentum
change the impulse experienced by the
Impulse
Use these words
driver hence creating a safer way to
Force
change the car's momentum during a
Time
crash?
CLAIM: what are the S.A.F.E.R barriers for?
EVIDENCE
REASONING: Answer the question on the right box above using the vocabs on the left.

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The soft wall or S.A.F.E.R comprises of Concrete wall (at the back), polystyrene foam (middle) and hollow steel tubing (infront).

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