GENPHY1 Midterm

Among the given definitions, which best describes physics?

• It is the study of matter, its properties, and the changes it undergoes.

• It is the study of the celestial bodies and the universe.

• It is the science of matter, energy, and the interactions between them.

• It is the science about living organisms and their interaction with the environment.

Physics primarily aims to:

• Explain the behavior of celestial bodies.

• Understand and predict natural phenomena through experimentation and theory.

• Analyze chemical reactions at the atomic level.

• Treat human diseases with technology.

Which of the following refers to the numbers used to describe a physical phenomenon in a quantitative manner?

• Physical Quantities

• Measurement

• SI Units

• Scientific Notation

Which of the following represents the correct SI unit for force?

• Joule

• Newton

• Watt

• Pascal

_____________ quantities are the quantities that exist by themselves, while _____________ quantities are the quantities that are dependent on other quantities.

• Fundamental; derived

• Derived; fundamental

• Fundamental; scalar

• Derived; vector

Which of the following is an example of a derived quantity?

• Mass

• Time

• Force

• Length

If you walked 100 m, the quantity describing this measurement is best classified as:

• A fundamental quantity

• A derived quantity

• A vector quantity

• A scalar quantity

Marco attended the F1 race and observed the race cars competing to win the grand prize. He was curious about the speed of the winning car as it raced toward the finish line. Which type of physical quantity is Marco curious about?

• Fundamental quantity

• Derived quantity

• Scalar quantity

• Vector quantity

What is the process of comparing an unknown quantity to a standard quantity of the same physical dimension?

• Conversion

• Measurement

• Standardization

• None of the above

What is meant by the term precision?

• The extent to which the measured value approaches its true value.

• The degree of fineness of the measurement considering the ability of an instrument to measure small quantities.

• The lack of bias in the data.

• The overall quality of the data.