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An object at rest stays in rest. An object in motion stays in motion. Unless acted on by another force.
ex- pencil, bike racing down hill |
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The heaver the object is the more force it takes to move it or to make it stop moving. Inertia is a tendency to do nothing or to remain unchanged.
ex- it takes a stronger person to move a heavy rock than a light rock |
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| For every action, there is an equal and opposite reaction. |
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| Two Forces acting on an object that are equal in size but opposite in direction. (0 net force). |
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| Two Forces acting on an object that are not equal in size. They may act in the same or opposite direction. |
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| The sum of all the forces acting on an object. |
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| The force exerted between magnetic poles, producing magnetization. |
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| A force that opposes motion between two surfaces that are touching. |
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| A force of attraction between objects that is due to their masses. |
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| A rate at which an object moves. |
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| The speed of an object in a particular direction. |
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| A force in which the agent does not directly have come in contact with the receiver. |
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| A force in which the agent doesn't have to come in contact with the receiver. |
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| What is force measured in? |
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The amount of matter in an object.
Ex: (measured in a double pan balance). |
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| MASS X ACCELERATION = FORCE!. |
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| The amount of matter in a given space, mass per unit volume. |
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Requires little force, MUST HAVE WHEELS!
Ex: bikes, cars, stakes, planes, etc. |
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| A Force has __________ and _________. |
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| 1. Strength 2. Direction. |
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| A liquid that makes surface smooth. |
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| When water coats the road when it rains and causes car accident. |
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