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. What is the formula of weight?1) W=mg 2) W=fs 3) W=s/t 4) W=fv
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5. What is the SI unit of mass?1) Joules 2) Kilogram 3) Newton 4) Pascal
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ต้องการเฉลยข้อสอบ โปรดเข้าระบบสมาชิก
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