# Forces: braking distance

Flashcards by ellierosedyson, updated more than 1 year ago
 Created by ellierosedyson over 6 years ago
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### Description

Flashcards on Forces: braking distance, created by ellierosedyson on 10/29/2014.

## Resource summary

 Question Answer Newton's second law is? force = mass x acceleration What is the equation for ACCELERATION? Acceleration = force / mass Greater the mass of vehicle = The more force needed to accelerate What are the opposing forces which build up during acceleration? Air resistance and friction. In acceleration what do opposing forces build up to be equal to? FORWARD FORCE Once equal to forward force what becomes constant? Velocity and momentum What is needed to increase velocity? More forward force To slow a vehicle down what must happen? More force applied in opposite direction Applying the brakes does what? Slows vehicle down What is braking distance? Distance car travels while brakes are applied what has to be reduced during braking distance? Momentum Two things which mean more force is needed to stop? 1)BIGGER MASS OF VEHICLE 2)FASTER MOVING VEHICLE List 3 factors which affect braking distance? 1) WORN TYRES 2) ROAD CONDITIONS 3) WORN BRAKE PADS

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