1. 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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2. 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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3. What is the measurement of weight1) beam balance
2) spring balance
3) hydrometer
4) vernier callipers
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4. ______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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5. What is the measurement of mass1) beam balance
2) spring balance
3) hydrometer
4) vernier callipers
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