. Sliding friction is .................. than rolling friction. Fill in the blank.


A: greater

B: less

C: same as

D: cant say

Best Answer

Explanation:

  • The friction of sliding is greater than that of rolling.
  • When a body rolls over another, rolling friction is the resistance to motion it encounters. 
  • For the same pair of bodies, it is substantially less than sliding friction. 
  • There is no sliding or slipping between two bodies as one rolls over the other. 
  • There is no surface of contact if both are fully stiff. When there is no surface contact, friction is minimal.

Final answer:

Hence, option A is correct, i.e., greater.

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