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Grade: 11
        how to find if resultant of three vectors is zero.

Q in case of three vectors of same type whose resultant cannot be zero?
(A)10,10,10 (B)10,20,40 (C)10,10,20 (D)10,20,20
6 years ago

Answers : (1)

Mayank Vikhona
18 Points
							Three vectors whose resultant is zero can be represented by the sides of a triangle formed by them.
I.e. sum of the any two sides of the triangle is greater than or equal to third side of triangle. 
In this question answer will be B because 10+20 <40 so these three vectors can not be represented by three sides of a triangle.
						
6 years ago
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