Question

Three vectors of magnitude 3, 6 and 6 units are acting along the sides of an isosceless triangle taken
in order. The magnitude of their resultant can be
a) 8 units
b) 6 units
C) 15 units
d) O units
​

Answer 1

C) 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=$R=a+b+c$

R=3+6+6

R=15 units

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

Option C is true.

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Answer 2

Answer:

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