Question
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:Solution
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 is the precursor of ethylene?
Botanical name of jowar is:
Which physiological disorder in cotton is caused by excessive nitrogen and results in vigorous vegetative growth but poor boll formation?
Which floral mechanism helps promote autogamy (self-pollination) in lettuce?
Two main components of sales promotion are ______.
Which soil-forming factor is classified as “active”?
The main host tree of Eri Silkworm isÂ
Saline soil having
(A) pH<8.5
(B) E.C.>4
(C) ESP<15
(D) Physical condition - Flocculated
Choose the correct answer from the options given below:
Which statement is true?
Cotton and pigeon pea are:
