Chapter 5- Matter in Motion Sections 2&3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Definition of Friction | a force that opposes motion between two surfaces that are touching
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| Definition of Rolling Friction | The friction that occurs between wheels and the ground; usually less than sliding friction
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| Definition of Force | a push of a pul; all forces have both size and direction
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| Definition of Fluid Friction | the friction between a fluid (liquid or gas) and something else
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| Definition of Net Force | The force that results from combining all the forces exerted on an object
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| Definition of Balanced Force | Forces on an object that cause the net force to be zero; balanced forces do not cause a change in motion or acceleration
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| Definition of Sliding Friction | The friction that occurs when something slides across a surface
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| Definition of Lubricant | A substance applied to surfaces to reduce the friction between them
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| Definition of Unbalanced Force | Forces on an object that cause the net force to be other than zero; unbalanced forces produce a change in motion or acceleration
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| Definition of Static Friction | When a force is applied to an object but does not cause the object to move
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| Definition of Newton | The SI Unit of Force
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Or sort by any of the columns using the down arrow next to any column heading.
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