Which of the following statements is/are correct about friction?
A. Friction can be entirely eliminated on any surface.
B. Rolling reduces friction.
C. Sliding friction is smaller than the rolling friction.
Choose the correct answer from the codes given below:
Friction can be reduced but it can never be eliminated completely. In rolling friction, the surface contact is less which results in less friction. Rolling friction is less than the sliding friction
Which of the following potential is always negative?
Jaya, a high yielding variety developed in India which outyield both its parent was a cross between
कौन सा सतत कृषि का घटक नहीं है?
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Match List I with List II
Match the weed in List I with their bio-control agent in List II
