Kinematics Question 69
Question: Assertion : The sum of two vectors can be zero. Reason : The vector cancel each other, when they are equal and opposite.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
Show Answer
Answer:
Correct Answer: A
Solution:
Let $ \vec{P} $
and $ \vec{Q} $ are two vectors in opposite direction, then their sum $ \vec{P}+(-\vec{Q})=\vec{P}-\vec{Q} $
If $ \vec{P}=\vec{Q} $ then sum equal to zero.
