Question

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, displacement. angular velocity.

Answer 1

scaler= speed ,volume,mass
vector=velocity,displacement ,acceleration

Answer 2

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Scalar: Volume, mass, speed, density, number of moles, angular frequency

Vector: Acceleration, velocity, displacement, angular velocity

DEFINITION OF SCALAR QUANTITY:-

A scalar quantity is specified by its magnitude only. It does not have any direction associated with it. Volume, mass, speed, density, number of moles, and angular frequency are some of the scalar physical quantities.

DEFINITION OF VACTOR QUANTITY:-

A vector quantity is specified by its magnitude as well as the direction associated with it. Acceleration, velocity, displacement, and angular velocity belong to this category.

I hope, this will help you

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