How do seatbelts reduce injury?

They stretch and convert the persons kinetic energy into elastic energy.

They stretch and stop the person hitting their head on anything.

They stop you're organs hitting your ribcage.

What to air bags increase?

the time taken for the head's momentum to reach zero

Quiz

Zaaaara 11 perguntas

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1A moving object has...
1. ASpeed
2. BMomentum
3. CGravity
2Momentum =
1. AMass x Velocity
2. BMass ÷ Velocity
3. CVelocity ÷ Mass
4. DMass + Velocity
3To reduce injuries, forces should be as small as possible.
1. AVerdadeiro
2. BFalso
4Force =
1. AChange in Momentum ÷ Time
2. BMass x Acceleration
3. CTime ÷ Change in Momentum
4. DSpeed x Distance
5Spreading the momentum change over a short period of time reduces the force.
1. AVerdadeiro
2. BFalso
6What do crumple zones do?
1. AChange shape
2. BStretch
3. CInflate
7How do seatbelts reduce injury?
1. AThey stretch and convert the persons kinetic energy into elastic energy.
2. BThey stretch and stop the person hitting their head on anything.
3. CThey stop you're organs hitting your ribcage.
8What to air bags increase?
1. Athe time taken for the head's momentum to reach zero
2. Bthe space in the car
3. Cthe force
9ABS stands for?
1. AAnti-lose braking system
2. BAnti-lock braking system
3. CAnti-lock braking section
4. DAnti-lock bump system
10ABS prevents?
1. Askidding
2. Bcars overturning
3. Cdamage to the car

Descrição: Quiz sobre OCR Gateway P3f Quiz, criado por Zaaaara em 28-05-2014.
Autor: Zaaaara
Idioma: English
Visualizações: 74
Etiquetas: crumple zone
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