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 (D)</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 (B)</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 (D)</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 (C)</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 (D)</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 (C)</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 (C)</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 (A)</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 (C)</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 (C)</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 (B)</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 (C)</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 (C)</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 (C)</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 (C)</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 (D)</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 (A)</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 (D)</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 (B)</p> Signup and view all the answers

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