Revision: Mass, Weight & Density

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01A Mass, Weight & Density - Revision Quiz

Test your understanding of Mass, Weight & Density here:

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1) A weighing scale is used to estimate the normal contact force exerted on the ground by a rectangular object.

2013 S3 EOY P1 Q12

When the object laid flat on the weighing scale, the normal contact force is calculated to be 100 N. How large would the normal contact force be if the object was stood upright on the scale?

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2) What is the correct SI unit for weight?

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3) An object that has a mass of 15 kg on the Earth is taken to the Moon. The gravitational field strength on the Earth is 10 N/kg and on the Moon is 1.6 N/kg. What are the mass and the weight of the object on the Moon?

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4) In a laboratory on Earth, balances show that an object has a mass of 2 kg and a weight of 20 N.

The same balances and object are then taken to the Moon.

Are the mass and weight the same, or less than before?

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5) Which property of a block of metal remains constant when the metal is heated?

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