Kinematics Question 597

Question: Which of the following it’s correct?

Options:

A) $ \vec{A}.\vec{B}\ne \vec{B}.\vec{A} $

B) $ \vec{A}.(\vec{B}+\vec{C})=\vec{A}.\vec{B}+\vec{C} $

C) $ \vec{A}\times \vec{B}\ne \vec{B}\times \vec{A} $

D) $ \vec{A}.(\vec{B}+\vec{C})\ne \vec{A}.\vec{B}+\vec{A}.\vec{C} $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Scalar product it’s d it’stributive over addition.

$ \overrightarrow{A}\times \overrightarrow{C}=AC\sin 0{}^\circ =0 $



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