Practice Assessments and Reflections - 6 | Forces & Motion | IB IMYP Grade 8 Physics
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6 - Assessments and Reflections

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Describe what a distance-time graph shows.

💡 Hint: Think about the distance during each time interval.

Question 2

Easy

What is the first law of motion?

💡 Hint: Consider what happens to an object with no forces acting on it.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does a flat segment on a velocity-time graph indicate?

  • Constant acceleration
  • Constant speed
  • No movement

💡 Hint: Consider what happens when the speed remains the same.

Question 2

True or False: Crumple zones are designed to concentrate impact forces onto passengers.

  • True
  • False

💡 Hint: Think about the purpose of crumple zones.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a vehicle with a crumple zone that extends the collision time effectively. If the average force when impacting without crumple zones is 30,000 N, what could be the average force on passengers if crumple zones reduce the impact duration by half?

💡 Hint: Use the impulse-momentum principle to relate force, time, and momentum change.

Question 2

During your design project, you tested three different materials for trolley wheels and recorded different friction coefficients. Describe how you plan to statistically analyze the effectiveness of each material.

💡 Hint: Consider how to compare means effectively.

Challenge and get performance evaluation