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1. Janet is measuring the amount of matter in a rock. She places the rock on the scale and
obtains its mass in


Sagot :

Janet obtains the mass of the rock she placed on the scale in kilograms.

In order to obtain the mass of an object, you will have to measure the amount of matter in it.

Matter is defined as substances that are made up of tiny particles (atoms) which occupies space and has mass.

Mass is defined as the quantity of matter in a body (rock). This gives the exact value of a substance (which is the quantity of the substance) no matter where it is measured.

The mass of an object (rock) is measured by chemical or beam balance scale which uses the principles of moment.

The unit of mass is in Kilogram (kg).

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