### Brain Teasers

# Blocks

There are three blocks on a table: a 1 kilogram block, a 500 gram block, and a 2 kilogram block.

What is the weight of the heaviest block on the table?

What is the weight of the heaviest block on the table?

### Hint

Make sure you understand what the question is asking you.### Answer

About 19.6 Newtons.Weight is a force caused by gravity, and so is measured in Newtons. Mass, how much "stuff" in each block, is measured in kilograms.

By Newton's Second Law: Force = Mass * Acceleration. The acceleration due to gravity on the Earth's surface is about 9.8 Newtons/Kilogram, so Force = 2 * 9.8 = 19.6 Newtons.

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