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What is the minimum number of vectors of...

What is the minimum number of vectors of unequal magnitude required to produce a zero resultant?

A

two

B

three'

C

four

D

Any

Text Solution

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The correct Answer is:
B
Minimum number of vectors is equal to three.
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Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds. Answer the following questions giving reasons: (a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil? (b) What would have been the minimum number of ovules present in the ovary? (c) How many megaspore mother cells were involved? (d) What is the minimum number of microspore mother cells involved in the above case? (e) How many male gametes were involved in this case?