You Measure That an Object Has a Mass of Exactly

question 75

Multiple Choice

You measure that an object has a mass of exactly 1 kg by weighing it in the Earth's gravitational field. The equivalence principle says that the mass you would measure by trying to accelerate it would be:

• A) 1 kg
• B) greater than 1 kg
• C) less than 1 kg
• D) different from 1kg, depending on what it's made of
• E) larger than 1 kg because of the Sun's gravity

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Definitions:

Absolute Dating

A method of determining the age of an object or material, often by measuring the decay of radioisotopes.

Radioisotopes

Isotopes of elements that are radioactive, undergoing decay and emitting radiation in the process.

Fossil

Any past evidence of an organism that has been preserved in the Earth’s crust.