Question

Identify the following as scalar or vector quantities :- mass, velocity, speed, length, distance, displacement, temperature, force, weight, power, work and energy

Answer 1

Thanks for asking the question.
The following quantities will be:
mass = scalar                                 velocity = vector
speed = scalar                                displacement = vector
length = scalar                                force = vector
distance = scalar                            power = scalar
temperature = scalar                      energy = scalar
Work = scalar                                 weight = scalar
Keep in mind that scalar can only be specified by magnitude and not by direction while vectors always involve direction along with magnitude.
Hope it helps

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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