1.Friction depends on the ______ of surfaces in contact.
2.FOR A GIVEN ______ OF SURFACES FRICTION DEPENDS UPON THE STATE OF ______ OF THOSE SURFACES.
3. FRICTION DEPENDS ON HOW ________ THE TWO SURFACES PRESS TOGETHER.
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Answer:
1. Friction depends on the nature of surface in contact.
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Answer:
1. Irregularities / Nature
2. i. Nature ii. motion
3. Hard
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