page 5 physics text book
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Questions and Answers

What is the main purpose of the experiment described?

  • To measure the distance between each light gate
  • To mark a line on the ramp
  • To investigate the motion of a toy car on a ramp (correct)
  • To set up an apparatus like the one in the diagram

    • What is the importance of marking a line on the ramp?

  • To hold the car still before the first light gate
  • To ensure the car starts from the same point each time (correct)
  • To measure the distance between each light gate
  • To set up the apparatus like the diagram

    • What is the purpose of measuring the distance between each light gate?

  • To hold the car still before the first light gate
  • To set up the apparatus like the diagram
  • To find the car's average speed (correct)
  • To mark a line on the ramp

    • What is the role of the light gates in the experiment?

    <p>To detect the car's passage and measure its speed</p> Signup and view all the answers

    What is the initial state of the toy car in the experiment?

    <p>It is held still just before the first light gate</p> Signup and view all the answers

    What is the purpose of marking a line on the ramp?

    <p>To ensure the car starts from the same point each time</p> Signup and view all the answers

    What happens when the car passes through each light gate?

    <p>A beam of light is broken and a time is recorded</p> Signup and view all the answers

    Why is it beneficial to use light gates in this experiment?

    <p>To eliminate timing errors due to human reaction time</p> Signup and view all the answers

    What is the purpose of repeating the experiment several times?

    <p>To get an average time for the car to reach each light gate</p> Signup and view all the answers

    How can you calculate the average speed of the car on the ramp and runway?

    <p>By dividing the distance between light gates by the average time</p> Signup and view all the answers

    What can you change in this experiment to investigate other factors that might affect the car's motion?

    <p>Different things in the experimental set-up</p> Signup and view all the answers

    What is the purpose of repeating the experiment several times?

    <p>To reduce human error and get an accurate average time</p> Signup and view all the answers

    What can be used as an alternative to light gates if they are not available?

    <p>A stopwatch with a lap function</p> Signup and view all the answers

    How can the average speed of the car be found?

    <p>By dividing the distance between light gates by the average time taken</p> Signup and view all the answers

    What is one way to investigate how friction affects the motion of the car?

    <p>By placing different materials on the ramp</p> Signup and view all the answers

    What should be ensured while changing the experimental set-up?

    <p>That every other part of the experiment stays the same</p> Signup and view all the answers

    What is the purpose of loading weights onto the car?

    <p>To see how the mass of the car affects its average speed</p> Signup and view all the answers

    What can be changed to investigate the acceleration of a car due to gravity?

    <p>The starting position of the car on the ramp</p> Signup and view all the answers

    What is the effect of a more streamlined car on its speed down the ramp?

    <p>It speeds up</p> Signup and view all the answers

    Why is it better to use a light gate instead of a stopwatch to measure short time intervals?

    <p>Light gates are more accurate</p> Signup and view all the answers

    What can be changed to see how it affects the car's speed down the slope?

    <p>The angle of the ramp</p> Signup and view all the answers

    Why is it necessary to know multiple methods for measuring the speed of an object?

    <p>To be able to measure speed accurately</p> Signup and view all the answers

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