CBSE Class 8 Answered
If the static friction between two surfaces X and Y is found to be 50 N , the the sliding friction between these two surfaces is most likely to be :
- 75 N
- 45 N
- 55 N
- 65 N
Asked by Turjo Bhattacharjee | 17 Jul, 2014, 05:05: PM
Expert Answer
Static friction is the maximum frictional force present between any objects when one object just tends to move or slip over the surface of the other object.
Whereas sliding friction is the frictional force present when one object moves slowly or slides over the surface of another object.
In static friction the object is actually not moving or sliding over the other object, it only tends to move or slide.
Sliding friction is smaller than static friction .
Hence, if the static friction between two surfaces X and Y = 50 N
The sliding friction between these two surfaces = 45 N ( Sliding friction is less than static friction)
Answered by Jyothi Nair | 18 Jul, 2014, 08:33: AM
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