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forces - Coggle Diagram
forces
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resultant forces
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if the resultant force is not zero the object will accelerate in the direction of the resultant force
weight
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weight is a force an object exerts due to its mass and the pull from the gravitational field the object is in
velocity time graph
decreasing straight line= decreasing speed, decelerating
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increasing straight line= increasing speed, acceleration
scalars and vectors
vectors
examples of vectors are displacement, velocity and force
a vector can be represented with an arrow. this is because the length of the arrow indicates the magnitude of the vector
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scalars
examples of scalars are volume, density and time
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thinking distance
thinking distance is the distance the car travels between a hazard appearing and the driver applying the brakes
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how fast the car is going, how intoxicated the person driving is ( drink and drugs),Concentration of the person, poor visibility
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newtons 2nd law
newtons second law is that the acceleration of an object is proportional to the resultant force acting on the object and inversely proportional to the mass of the object
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