1. 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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2. What is the measurement of mass1) beam balance 2) spring balance 3) hydrometer 4) vernier callipers
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3. 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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4. What is the measurement of weight1) beam balance 2) spring balance 3) hydrometer 4) vernier callipers
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5. A mass of 1 kg has a weight of ________1) 20 N 2) 1 N 3) 10 N 4) 15 N
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ต้องการเฉลยข้อสอบ โปรดเข้าระบบสมาชิก
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