An Object Placed on an Equal-Arm Balance Requires 12 Kg

question 69

Multiple Choice

An object placed on an 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 free-fall acceleration is one-sixth that on Earth.The new readings of the balance and spring scale (respectively) are:

• A)12 kg, 12 kg
• B)2 kg, 2 kg
• C)12 kg, 2 kg
• D)2 kg, 12 kg
• E)12 kg, 72 kg

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