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Q: how can friction be reduced?
A: You could use grease, oil, liquids with high viscosity depending on the type of surface to reduce friction. [wink]
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User: how can friction be reduced?

Weegy: You could use grease, oil, liquids with high viscosity depending on the type of surface to reduce friction. [wink]
kaysha|Points 4692|

User: why are seatbelts used in cars?

User: why are seat belts used in cars?

User: is it possible to attain an efficiency of 100 percent in heat engines? Explain.

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Asked 12/12/2012 4:59:25 AM
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