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Which of the following is NOT a vector quantity?
Acceleration
Mass
Velocity
Force
Mass
Mass is a scalar quantity because it is defined only by its magnitude and does not possess a direction. In contrast, acceleration, velocity, and force are vector quantities because they require both magnitude and direction to be fully specified.
Mass is a scalar quantity because it is defined only by its magnitude and does not possess a direction. In contrast, acceleration, velocity, and force are vector quantities because they require both magnitude and direction to be fully specified.
If you buy 5 kg of rice, it does not matter which way you point; you still have 5 kg. However, if you push a shopping cart, you must know both how hard (magnitude) and in which direction (orientation) you are applying force.
Remember 'V-A-F' (Velocity, Acceleration, Force) as vectors; mass is the odd one out.
F=ma тАФ Newton's Second Law linking force (vector), mass (scalar), and acceleration (vector)
v=dtdrтАЛ тАФ Velocity as a time derivative of position vector
Physical quantities are categorized based on their dependency on direction. Scalar quantities are fully described by a number and a unit, following simple algebraic rules. Vector quantities must obey vector addition laws, such as the triangle or parallelogram law, which account for spatial orientation.
Scalar quantities only possess magnitude.
Vector quantities possess both magnitude and direction.
Mass is an intrinsic property of matter and is invariant of direction.
Force is defined as the product of scalar mass and vector acceleration.
Physics problem solving in mechanics
Navigation and ballistic calculations
Mass is a measure of inertia and is always positive.
Acceleration, Velocity, and Force are vectors because their value changes if their direction changes, even if the speed remains constant.
B is correct тАФ Mass is a scalar quantity as it lacks directional orientation.
Always check if a change in direction alters the physical state; if it does, it is almost certainly a vector quantity.
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