1. The mass of rock on earth is 2.4kg.What is the mass of rock on the moon?1) 0.4 kg
2) 2.4 kg
3) 3.4 kg
4) 14.4 kg
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2. ______is the quantity of matter contained an object and measured with a_______balance1) weight, spring balance
2) weight , beam balance
3) mass, spring balance
4) mass, beam balance
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3. An object at rest does not change its state of rest easily because of ____1) friction
2) inertia
3) mass
4) density
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4. The mass of rock on earth is 2.0kg.What is the weight of rock on the Earth?1) 36 N
2) 6 N
3) 18 N
4) 20 N
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5. What is the SI unit of mass?1) Joules
2) Kilogram
3) Newton
4) Pascal
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