Question

15. Fill in the blanks :
1 Friction is more on a _____
surface than on a_______
surface
2 ______friction keeps on increasing when the force applied on the body is increased
3 ________is responsible for starting and stopping motion.
4 ________on the tyres of vehicles increase friction
5 lubricant_______""friction between the rubbing surfaces.
6. Friction applied by fluids is called_______​

Answer 1

Answer:

1.rough, smooth

2.rouhly

3.force

4 rough grid or lines

5.area

6.aquous friction

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Answer 2

Answer:

1.rough,smooth

2.static

3.force

4.rubber/grooves/treads

5.fluid friction/Boundary friction

6.viscous friction

Explanation:

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