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Related Flashcards
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Cards In This Set
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Force
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A push or pull
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What's force described by?
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By its strength & by what direction it acts in
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What 2 things are similar to force by how they're drescribed?
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Velocity & acceleration
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Newton
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The unit of measurement for the strength of force
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Symbol for newtons
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N
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Who are newtons named after?
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Isaac Newton, the english scientist & mathematician
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What can represent force's strength & direction?
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An arrow
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Net force
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The combination of all forces acting on an object
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What does the net force determine?
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Whwther an object moves & in what direction it moves
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Unbalanced forces
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Forces that when acting on an object result in a net force & cause a change in the object's motion
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What are examples of unbalanced forces?
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To cause an object to stop or start moving or to cause the object to change direction
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Balanced forces
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When equal forces are acting on the same object in opposite directions
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What can balanced forces do to an object?
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They can't move an object & they don't cause a net force
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Friction
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The force that 2 surfaces exert on each other when they rub against each other
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What does the strength of friction depend on?
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How hard the surfaces push together & the types of surfaces
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