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Question
An object placed on a equal-arm balance requires 12 kg to balance it. When placed on a spring scale, the scale reads 12 kg. Everything (balance, scale, set of weights and object) is now transported to the Moon where the free-fall acceleration is one-sixth that on Earth. The new readings of the balance and spring scale (respectively) are :
An object placed on a equal-arm balance requires 12 kg to balance it. When placed on a spring scale, the scale reads 12 kg. Everything (balance, scale, set of weights and object) is now transported to the Moon where the free-fall acceleration is one-sixth that on Earth. The new readings of the balance and spring scale (respectively) are :
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Solution
The correct option is C 12 kg, 2 kg
Equal arm balance is used to find mass of object while spring balance is used to find weight of object. If we transport the whole system to the moon, the mass does not change but weight is reduced by one-sixth that on earth. So the answer is 12 kg, 2 kg.
Equal arm balance is used to find mass of object while spring balance is used to find weight of object. If we transport the whole system to the moon, the mass does not change but weight is reduced by one-sixth that on earth. So the answer is 12 kg, 2 kg.
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