Question:
Select the scalar quantity
Select the scalar quantity
Show Hint
Ask whether the quantity needs a direction to be fully described.
Updated On: Jul 16, 2026
- Pressure
- Force
- Velocity
- Acceleration
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The Correct Option is A
Solution and Explanation
A scalar quantity has only magnitude and no direction. A vector quantity has both magnitude and direction.
Pressure is defined as force acting per unit area, and it is described completely by a single number along with its unit, such as pascal. It does not point in a specific direction, so it is a scalar quantity.
Option B is wrong because force has both a magnitude and a direction in which it acts, making it a vector.
Option C is wrong because velocity is the rate of change of displacement, and displacement itself has direction, so velocity is a vector.
Option D is wrong because acceleration is the rate of change of velocity, and since velocity is a vector, acceleration also carries direction and is a vector.
The correct answer is pressure.
Pressure is defined as force acting per unit area, and it is described completely by a single number along with its unit, such as pascal. It does not point in a specific direction, so it is a scalar quantity.
Option B is wrong because force has both a magnitude and a direction in which it acts, making it a vector.
Option C is wrong because velocity is the rate of change of displacement, and displacement itself has direction, so velocity is a vector.
Option D is wrong because acceleration is the rate of change of velocity, and since velocity is a vector, acceleration also carries direction and is a vector.
The correct answer is pressure.
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