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 Friction 20 Flashcards |
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What type of friction occurs when two solid, unlubricated surfaces are in contact and there is a tendency for sliding? |
Card: 1 / 20 |
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Dry Friction (Coulomb Friction) |
Card: 2 / 20 |
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Fill in the blank: The maximum value of frictional force at the surfaces of contact when the body is at the verge of motion is called ______. |
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Limiting Static Frictional Force |
Card: 4 / 20 |
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True or False: The coefficient of kinetic friction is generally larger than the coefficient of static friction. |
Card: 5 / 20 |
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False. The coefficient of kinetic friction is generally smaller than the coefficient of static friction. |
Card: 6 / 20 |
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What is the angle made by the resultant of the normal reaction and frictional force to the normal reaction called? |
Card: 7 / 20 |
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Angle of Friction |
Card: 8 / 20 |
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Riddle: I am the force that opposes motion when two surfaces are in contact, and I can be static or kinetic. What am I? |
Card: 9 / 20 |
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Friction |
Card: 10 / 20 |
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What kind of friction occurs when adjacent layers in a fluid move at different velocities? |
Card: 11 / 20 |
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Fluid Friction |
Card: 12 / 20 |
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Fill in the blank: The ratio of limiting force of friction to the normal reaction is known as the ______. |
Card: 13 / 20 |
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Coefficient of Static Friction |
Card: 14 / 20 |
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Which type of friction is associated with cyclical loading in solid materials? |
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Internal Friction |
Card: 16 / 20 |
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True or False: The frictional force is dependent on the area of contact between two surfaces. |
Card: 17 / 20 |
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False. The frictional force is independent of the area of contact of the surfaces. |
Card: 18 / 20 |
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What is the resistance encountered by a rolling wheel called? |
Card: 19 / 20 |
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Rolling Resistance |
Card: 20 / 20 |
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