The Limits of SI Units

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT an SI base unit?

Kilogram
Second
Gram (correct)
Meter

Which unit should you attach a prefix to represent larger and smaller values of an object's mass?

Microgram
Gram (correct)
Kilogram
Milligram

What is the final distance mentioned in the text?

4,493 miles
4,493 centimeters
4,493 km (correct)
4,493 meters

What is the only SI base unit whose name and symbol include a prefix?

Kilogram (B) Signup and view all the answers

What is the purpose of attaching prefix names to the unit name 'gram' in the metric system?

To represent larger and smaller values of an object's mass. Signup and view all the answers

What is the significance of the kilogram in the metric system?

It is the only SI base unit whose name and symbol include a prefix. Signup and view all the answers

Why has most of the world embraced the modern metric system?

Because it provides a standardized and consistent system of measurement. Signup and view all the answers

What are the advantages of using a prefix system based on powers of 10 when measuring physical quantities?

Some advantages of using a prefix system based on powers of 10 when measuring physical quantities are: it allows for easier and more convenient representation of very small or very large objects, it helps to avoid cumbersome numbers, and it provides a standardized and consistent way of expressing measurements across different scales. Signup and view all the answers

How can you convert a length measured in meters to millimeters?

To convert a length measured in meters to millimeters, you simply multiply the length by 1,000, or move the decimal point to the right three spaces. Signup and view all the answers

Why would it be more practical to measure the distance between New York City and Los Angeles in kilometers?

It would be more practical to measure the distance between New York City and Los Angeles in kilometers because it helps to avoid using large and unwieldy numbers. To convert meters to kilometers, you simply divide the distance by 1,000, or move the decimal point to the left three spaces. Signup and view all the answers