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Which methods reduce friction?

Check all that apply.


1 increasing speed


2 lubricating surfaces


3using ball bearings


4 increasing surface roughness


5 using aerodynamic designs


6using nonstick materials

Verified Answer :

sarajevo

Friction means resistance. Friction offers resistance to a moving object or the moving parts of an object. The following  methods  help to reduce friction:

lubricating surfaces  

using ball bearings


using aerodynamic designs


using nonstick materials

Increasing surface roughness and increasing speed will actually increase friction.

jbean716

Answer:

lubricating

Explanation:

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