Kinematics Question 72
Question: Assertion : Multiplying any vector by an scalar it’s a meaningful operations. Reason : In uniform motion speed remains constant.
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: B
Solution:
We can multiply any vector by any scalar.
For example, in equation $ \vec{F}=m\vec{a} $ mass is a scalar quantity, but acceleration is a vector quantity.
