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The acceleration of free fall on the surface of planet P is one-tenth of that on the surface ofplanet Q.On the surface of P, an object has a mass of 1.0 kg and a weight of 1.0 N.What are the mass and the weight of the same object on the surface of planet Q?mass on Q / kg weight on Q / NA 1.0 0.1B 1.0 10C 10 10D 10 100

Question

The acceleration of free fall on the surface of planet P is one-tenth of that on the surface ofplanet Q.On the surface of P, an object has a mass of 1.0 kg and a weight of 1.0 N.What are the mass and the weight of the same object on the surface of planet Q?mass on Q / kg weight on Q / NA 1.0 0.1B 1.0 10C 10 10D 10 100

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Solution

The mass of an object remains constant, regardless of where it is in the universe. Therefore, the mass of the object on planet Q would still be 1.0 kg.

The weight of an object, however, depends on the gravitational pull of the planet. Since the acceleration of free fall on planet Q is ten times that on planet P, the weight of the object on planet Q would be ten times its weight on planet P. Therefore, the weight on Q would be 10 N.

So, the correct answer is B (1.0 kg, 10 N).

This problem has been solved

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