Write true or false:
1.Static friction is slightly smaller then rolling friction. =
2. A very smooth surface experience less wear and tear. =
3.Friction increases with mass of objects in contact. =
4.It is easier to slide an object than to roll it.=
5.Friction does not cause any wastage of energy. =
Please help me....
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1
Answer:
true
false
true
true
false ( friction is a kind of waste energy)
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