Question

Three vectors of magnitude 3, 6 and 6 units are acting along the sides of an equilateral triangle taken
order. The magnitude of their resultant is
​

Answer 1

Answer:

15 UNITS

EXPLANATION:

Let an isosceles triangle ABC

Vector acting along side AB whose magnitude ,a=3

Vector acting along side BC of magnitude, b=6

Vector acting along side CA of magnitude, c=6

When three vectors are taking in order and acting along the sides of an isosceles triangle

Then, the magnitude of their resultant=R=a+b+cR=a+b+c

R=3+6+6

R=15 units

Therefore, the magnitude of their resultant can be 15 units.

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Answer 2

Answer:

15

R=a+b+Rc=a+b+c=3+6+6