Physics Fundamentals Quiz
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Questions and Answers

What is the measurement of the force which causes something to rotate around a point?

  • moment of inertia
  • acceleration
  • friction
  • torque (correct)

    • Which of the following is the correct gravitational constant?

  • 6.67x10-11N(m2/kg2) (correct)
  • 9.81 m/s2
  • 6.67x1011N(m2/kg2)
  • 9.81 m/s

    • Who determined experimentally the gravitational constant?

  • Henry Cavendish (correct)
  • Galileo Galilei
  • Isaac Newton
  • Johannes Kepler

    • What is known as the quantity resisting angular acceleration, expressed by the sum of the product of the mass of every particle with its square of the distance from the axis of rotation?

    <p>moment of inertia</p> Signup and view all the answers

    In a scenario of an apple free falling towards the Earth, which statement is TRUE about the law of universal gravitation?

    <p>The apple accelerates towards the Earth at the same time the Earth accelerates towards the apple.</p> Signup and view all the answers

    What is the correct formula for gravitational force?

    <p>$Fg = G\frac{m1m2}{r^2}$</p> Signup and view all the answers

    In a scenario of an apple free falling towards the Earth, which statement is TRUE about the law of universal gravitation?

    <p>The force between the apple and the Earth is inversely proportional to the square of the distance between them.</p> Signup and view all the answers

    What do you call the quantity resisting angular acceleration, expressed by the sum of the product of the mass of every particle with its square of the distance from the axis of rotation?

    <p>Moment of inertia</p> Signup and view all the answers

    What is known as the correct measurement of the force which causes something to rotate around a point?

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

    Which Physicist determined experimentally the gravitational constant?

    <p>Henry Cavendish</p> Signup and view all the answers

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