# P2 Chapter2 Forces

Flashcards by purus169, updated more than 1 year ago
 Created by purus169 almost 5 years ago
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## Resource summary

 Question Answer FORCE It is a push or a pull that changes the speed, direction or shape of an object. Units= Newtons (N) There are 2 forces when 2 objects interact with each other which are ACTION FORCE & REACTION FORCE Vector quantity DRIVING FORCE The force of the engine on the vehicle. BRAKING FORCE The force from the brakes. AIR RESISTANCE It is an for that acts when an object moves through the air. It slows us down. It increases with speed and surface area. DRAG FORCE/ WATER RESISTANCE This comes into action when an object moves through water. It slows us down. FRICTION It comes into action when 2 objects slide pass each other. It slows us down. WEIGHT ( W ) It is the pulling force that is always in the downward direction and due to gravity from earth.

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