Which of the following is an example of increasing friction?
A. scrubbing the floor
B. applying oil on door hinges
C. putting grease on machines
D. spreading gravel on the road
A. scrubbing the floor
B. applying oil on door hinges
C. putting grease on machines
D. spreading gravel on the road
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ANSWER
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D. SPREADING GRAVEL ON THE ROAD
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EXPLAINATION
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FRICTION:
FRICTION IS EXAMPLE: YOU ARE PUSHING A SOLID SQUARE MATERIALS IT'S SO HARD TO PUSH THE FRICTION IS THEOPPOSITE OF YOUR DOING
EXAMPLE: YOU ARE WALKING THEN THE OPPOSITE OF YOUR WALKING IS FRICTION IT'S HARD TO SAY
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HOPE HELPS MEOW