science
Grade-3
Easy
Question
A turntable rotates swiftly on the table, to which it is fixed. The friction between the surface of the table and the turntable is ____.
- High
- Moderate
- Low
- Both 1 and 3
Hint:
Two polished or lubricated surfaces freely slide on each other.
The correct answer is: Low
Friction is the least when two smooth surfaces rub against each other. Two polished or lubricated surfaces freely slide on each other, as there is the least friction between them.
Hence, a turntable rotates swiftly on the table, to which it is fixed. Therefore, the friction between the surface of the table and the turntable is Low.
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