Physics Basics: Mass, Weight, Time, and Volume
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Questions and Answers

What is the SI unit of temperature?

  • Rankine
  • Fahrenheit
  • Celsius
  • Kelvin (correct)

    • Which temperature scale is defined as 1/273.15 times the triple point temperature?

  • Fahrenheit
  • Celsius
  • Kelvin (correct)
  • Rankine

    • What is defined as the ability or capacity of a system or body to do work?

  • Pressure
  • Temperature
  • Force
  • Energy (correct)

    • What are the two famous mechanical forms of energy mentioned in the text?

    <p>Potential energy and kinetic energy</p> Signup and view all the answers

    Which unit is used to express force?

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

    What does pressure describe in relation to an object's surface?

    <p>Amount of force pressing on the surface</p> Signup and view all the answers

    What is the main characteristic of base units in the SI system?

    <p>They are quantities measured directly using instruments</p> Signup and view all the answers

    Which type of quantity can be described by a single number and has a magnitude only?

    <p>Scalar quantity</p> Signup and view all the answers

    How are derived units obtained?

    <p>By using equations or formulas</p> Signup and view all the answers

    What does the arrowhead represent in vector quantity representation?

    <p>Direction of the vector</p> Signup and view all the answers

    Which unit is commonly used to measure length in the SI system?

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

    What does mass measure in objects?

    <p>Quantity of matter</p> Signup and view all the answers

    Which branch of science specifically deals with motion, forces, heat, and electricity?

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

    What is considered the basic science among the listed branches?

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

    Which branch of science focuses on the interrelationship between physics and biology?

    <p>Biophysics</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

    Which science branch focuses on how matter is put together to form the things around us?

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

    What is an applied science that directly impacts fields like transportation, communication, and industry?

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

    What is weight?

    <p>The force with which a body is attracted to earth or another celestial body</p> Signup and view all the answers

    What is the standard unit for time?

    <p>Second (s)</p> Signup and view all the answers

    How can volume be measured for irregular-shaped solids?

    <p>Through water displacement</p> Signup and view all the answers

    What does density represent?

    <p>The ratio of the mass or weight of a substance to the volume occupied by that mass or weight</p> Signup and view all the answers

    What is the formula for calculating density?

    <p>Density = mass ÷ volume</p> Signup and view all the answers

    Which unit is used to express heat and temperature in the SI system?

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

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