Forces and Motion on Slides
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Questions and Answers

What is the purpose of making marks behind the center of the swing?

  • To determine the speed of the swing
  • To indicate the points of release for the swing (correct)
  • To measure the weight of the person in the swing
  • To measure the distance of the swing from the center

    • Why does the smallest person get to do the next experiment?

  • Because they are the smallest and can fit in the swing
  • Because it's a random selection process
  • Because they are the strongest
  • Because their weight will not affect the swing's motion (correct)

    • What is the purpose of having two people pull the swing back to the first mark?

  • To measure the distance of the swing
  • To slow down the swing's motion
  • To add extra force to the swing's motion
  • To release the swing at a consistent starting point (correct)

    • What is being measured in this experiment?

    <p>The time it takes for the swing to make 5 complete swings (D)</p> Signup and view all the answers

    What is the role of the timer in the experiment?

    <p>To measure the time it takes for the swing to make 5 complete swings (A)</p> Signup and view all the answers

    What is the purpose of the pendulum model in the classroom?

    <p>To illustrate the concept of a pendulum's motion (D)</p> Signup and view all the answers

    What is the type of energy that is stored and can be used later?

    <p>Potential energy (D)</p> Signup and view all the answers

    What happens to the potential energy when you slide down the slide?

    <p>It is converted into kinetic energy (D)</p> Signup and view all the answers

    What is the energy of motion called?

    <p>Kinetic energy (D)</p> Signup and view all the answers

    What is the main concept demonstrated by the slide?

    <p>The Law of Conservation of Energy (D)</p> Signup and view all the answers

    What type of energy do you have when you climb up the stairs to the top of the slide?

    <p>Potential energy (C)</p> Signup and view all the answers

    Why does the kinetic energy on the slide not come from nothing?

    <p>Because it comes from the conversion of potential energy (A)</p> Signup and view all the answers

    What is the primary objective of the experiment involving riding the slide from the top and then from half-way down?

    <p>To compare the final speed in the two different scenarios (B)</p> Signup and view all the answers

    What is the role of the ball in the experiment?

    <p>To replicate the results of a person sliding (D)</p> Signup and view all the answers

    What is the purpose of not doing any extra pushing during the experiment?

    <p>To get a more accurate measurement of speed (A)</p> Signup and view all the answers

    What type of slide is required for the additional investigations?

    <p>A slide with a twisting curve on the way to the bottom (A)</p> Signup and view all the answers

    What is the initial step in the additional investigations?

    <p>Going to the top of the straight slide with a small ball (A)</p> Signup and view all the answers

    What is the purpose of the procedure involving the ball in the additional investigations?

    <p>To let the ball go down the slide (B)</p> Signup and view all the answers

    What is the purpose of recording the time for 5 complete swings?

    <p>To determine the effect of release point on the pendulum's period (C)</p> Signup and view all the answers

    What is the effect of 'pumping' on the period of the swing?

    <p>It has no effect on the period (A)</p> Signup and view all the answers

    Why do you need several sets of swings with different lengths of chain?

    <p>To perform the investigation on the effect of chain length on the period (D)</p> Signup and view all the answers

    What is the purpose of using a light-weight swinger and a 2 metre release point in Procedure 1?

    <p>To test the effect of release point on the period (C)</p> Signup and view all the answers

    What is being measured in the experiment?

    <p>The period of the pendulum swing (D)</p> Signup and view all the answers

    What is the purpose of repeating the experiment on each swing with a different length of chain?

    <p>To test the effect of chain length on the period (A)</p> Signup and view all the answers

    What is the main purpose of pumping a swing?

    <p>To raise the centre of mass and convert potential energy into kinetic energy (D)</p> Signup and view all the answers

    What happens to your centre of mass when you lift your legs forward and back while pumping a swing?

    <p>It rises (C)</p> Signup and view all the answers

    At what point do you feel lighter while pumping a swing?

    <p>When you're at the top of the swing (A)</p> Signup and view all the answers

    When do you typically pump a swing?

    <p>At the bottom of the swing (D)</p> Signup and view all the answers

    What is the relation between pumping a swing and a pendulum?

    <p>Both raise the centre of mass (B)</p> Signup and view all the answers

    What type of energy do you gain when you pump a swing?

    <p>Potential energy (A)</p> Signup and view all the answers

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