Question

Which of the following is not a vector quantity?

A) speed
B) velocity
C) torque
D) displacement

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Answer 1

Answer:

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your answer is here !

Explanation:

option (A) speed is right !

A vector quantity is a quantity which has both magnitude and direction. Here in the given options, speed is a scalar quantity but not the vector quantity.

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Answer 2

$\huge\underline\red{Answer}$

(a) Speed

Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. Lower speed means it is moving slower. If it isn't moving at all, it has zero speed.