Physics Basics
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Questions and Answers

What does physics deal with according to the text?

  • Motion, forces, heat, sound, light, electricity, magnetism, and atoms' composition (correct)
  • Light and electricity only
  • Heat and magnetism only
  • Motion and forces only

    • Which branch of science is considered the basic science?

  • Physics (correct)
  • Biology
  • Geology
  • Chemistry

    • What is the interrelationship discussed in biophysics according to the text?

  • Chemistry and physics
  • Biology and geology
  • Geology and chemistry
  • Physics and biology (correct)

    • Which field is concerned with how matter is put together according to the text?

    <p>Chemistry</p> Signup and view all the answers

    What is the process of expressing size or quantity into a known standard unit called?

    <p>Measurement</p> Signup and view all the answers

    Where is physics applied according to the text?

    <p>In home, transportation, communication, amusement, sports, and industry</p> Signup and view all the answers

    Which type of units can be measured directly using instruments?

    <p>Base units</p> Signup and view all the answers

    What is the main characteristic of a scalar quantity?

    <p>It has magnitude only</p> Signup and view all the answers

    How are vector quantities usually represented?

    <p>With an arrow symbol and scale factor</p> Signup and view all the answers

    What is the standard unit of length in the SI system?

    <p>Meter (m)</p> Signup and view all the answers

    Which physical quantity is measured using units like yard, feet, inches, and miles?

    <p>Length</p> Signup and view all the answers

    What does mass represent?

    <p>Resistance to acceleration by a body</p> Signup and view all the answers

    What is the standard unit for time?

    <p>Second</p> Signup and view all the answers

    Which formula can be used to calculate the volume of a sphere?

    <p>$V = 4/3 \pi r^3$</p> Signup and view all the answers

    What is the SI unit for density?

    <p>Kilogram per cubic meter</p> Signup and view all the answers

    Which physical quantity is weight measured in?

    <p>Newtons</p> Signup and view all the answers

    What does the specific heat of a substance represent?

    <p>The heat capacity of a substance</p> Signup and view all the answers

    What can be used to measure the volume of irregular-shaped solids?

    <p>Water displacement</p> Signup and view all the answers

    What is the SI unit of temperature?

    <p>Kelvin</p> Signup and view all the answers

    Which unit is equivalent to joule for measuring energy?

    <p>Foot-pound</p> Signup and view all the answers

    What is the triple point temperature used to define?

    <p>Kelvin</p> Signup and view all the answers

    Which one of the following is NOT a famous mechanical energy?

    <p>Thermal energy</p> Signup and view all the answers

    What is the unit for expressing force?

    <p>Newton</p> Signup and view all the answers

    In converting units, what must be known along with the conversion factor and desired unit?

    <p>Given unit</p> Signup and view all the answers

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