What is the SI unit for mass?

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Build your vocabulary for the IGCSE Coordinated Science Exam. Study with flashcards and multiple choice questions, each with hints and explanations. Prepare for success!

Multiple Choice

What is the SI unit for mass?

Explanation:
Mass is the amount of matter in an object, and in the SI system this quantity is measured using kilograms. The kilogram is the base unit for mass, symbol kg. Therefore the SI unit for mass is the kilogram. The other options measure different quantities: a metre measures length, a second measures time, and an ampere measures electric current. Remember that mass stays the same whether you are on Earth or on the Moon, while weight would change with gravity because weight depends on the gravitational pull.

Mass is the amount of matter in an object, and in the SI system this quantity is measured using kilograms. The kilogram is the base unit for mass, symbol kg. Therefore the SI unit for mass is the kilogram. The other options measure different quantities: a metre measures length, a second measures time, and an ampere measures electric current. Remember that mass stays the same whether you are on Earth or on the Moon, while weight would change with gravity because weight depends on the gravitational pull.

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