ï»¿ State for each of the following physical quantities, if it is a scalar or a vector: volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, and angular velocity.Â  from Physics Motion in A Plane Class 11 Manipur Board

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Motion in A Plane

Physics Part I

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State for each of the following physical quantities, if it is a scalar or a vector: volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, and angular velocity.Â

Volume - scalar quantity
Speed - scalar quantity
Acceleration - vector quantity
Density - scalar quantity
Number of moles - scalar quantity
Velocity - vector quantity
Angular frequency - scalar quantity
Angular velocity - vector quantity

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What is a vector quantity?

A physical quantity that requires direction along with magnitude, for its complete specification is called a vector quantity.
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What is a scalar quantity?

A physical quantity that requires only magnitude for its complete specification is called a scalar quantity.
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Give three examples of vector quantities.

Force, impulse and momentum.
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Give three examples of scalar quantities.

Mass, temperature and energy
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What are the basic characteristics that a quantity must possess so that it may be a vector quantity?

A quantity must possess the direction and must follow the vector axioms. Any quantity that follows the vector axioms are classified as vectors.Â

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