asked 124k views
1 vote
Friction _____.

can be increased using lubricants, like oil

causes machines to work 100 percent efficiently

works in the opposite direction of motion

is always and unwanted force

plz [science]

2 Answers

4 votes

Answer:

Is always and unwanted force

Step-by-step explanation:

5 votes

Answer:

A?

Step-by-step explanation:

answered
User Angger
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