Shared Flashcard Set

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Science
Revision for OCR P3
11
Science
10th Grade
02/05/2014

Additional Science Flashcards

 


 

Cards

Term
What is thinking distance?
Definition
The distance travelled by the vehicle from the point the driver realizes he needs to brake to when he applies the brakes.
Term
What is braking distance?
Definition
The distance it takes the vehicle to stop once the driver applies the brakes.
Term
Factors that affect thinking distance?
Definition
Vehicle speed.
Driver ill, or driving under the influence.
The driver is distracted or not concentrating
Term
Factors that affect braking distance?
Definition
Vehicle speed.
Poor weather/bad road conditions eg. icy or wet.
Worn brakes and tires or under inflated tires.
Term
What is work?
Definition
Work is done whenever a force moves an object. It's measured in joules.
Term
What is power?
Definition
Power is a measure of how quickly work is done. It's measured in watts.
Term
Car fuel consumption depends on...?
Definition
Energy required to increase the kinetic energy.
Energy required to work against friction.
Driving style, speed and road conditions.
Term
Safety features on a car that absorb energy?
Definition
Seatbelts
Airbags
Crumple zone
Collapsible steering column.
Term
Safety features on a car that prevent accidents?
Definition
Anti-lock braking systems (ABS)- prevents tires from skidding
Traction control - prevents the car from skidding when accelerating.
Electric windows prevent distractions.
Paddle shift controls (flappy paddle)
Term
How does ABS work?
Definition
Pump the brakes on and off automatically which increases the friction between the road and tire.
Term
How to reduce stopping forces experienced in a collision?
Definition
Increasing the stopping or collision time
Increasing the stopping or collision distance.
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