Question

1- Answer these questions. a) What is a physical quantity?​

Answer 1

Answer:

A physical quantity is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed as the combination of a numerical value and a unit. For example, the physical quantity mass can be quantified as n kg, where n is the numerical value and kg is the unit.

Explanation:

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Answer 2

Answer:

all measure able quantities are called physical quantities

Explanation:

physical quantities are of two types :BASE QUANTITIES AND DERIVED QUANTITIES