Question

Which of the following is scalar quantity? Inertia, force and linear momentum and why ?

Answer 1

Inertia is related to an object's mass, which is a scalar quantity.
IT IS SO BECAUSE....
Inertia of a body is the measure of the body's resistance towards its own acceleration. Thus mass becomes a qualitative measureof its inertia. Mass is scalar, thus linear inertia is scalar.

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Answer 2

$\huge{HEY!!}$

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✴What do you mean by scalar quantity?

✔It is a physical quantity which has magnitude and it don't have any direction.

✔Examples of scalar quantity are length, mass, speed, temperature, etc.

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▶▶Among the following options inertia is the scalar quantity.

▶▶Inertia is the tendency of object in which if a body is in rest then it will remain in rest and if a body is in motion then it will remain in motion until and external unbalanced force is applied on it.

▶▶Inertia is a comparative term whereas mass is a calculative term.

▶▶Force and linear momentum both have direction in which they are acting.