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Published byPiers Stanley Modified over 6 years ago

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A push or pull on an object

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Total amount of force applied to an object

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W=20kg * 9.8m/s² W= 196N

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Newton

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F=MA F= 1400 * 4.7 F= 6,580 N

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Static Rolling Sliding Fluid

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Gravity and air resistance

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Fluid friction

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The object is no longer accelerating; force of gravity is equal to the force of air resistance

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120N=60kg* a 120/60=a 20m/s²=a

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An object in which the only force acting is gravity

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F=MA F=30,400 * 1.2m/s² F=36,480 N

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Law of Inertia

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Resistance of an object to change its motion

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The magnitude (strength)

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The head of the arrow points in the direction of the force

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Motion is unchanged if the force is balanced

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The distance traveled over a certain amount time

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Speed is a scalar quantity (magntude only) and velocity is magnitude and direction

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The acceleration increases

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The greater the mass the greater the inertia

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The rougher the surface the greater the friction

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300/50 T=6 hrs

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Increase the mass

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Reaction forces are of equal force to the action but in opposite direction

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It changes the speed or direction

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F=M*A F= 7 * 9.8 F=68.6 N

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