Practice Mechanical Advantage (MA): The Force Multiplier - 4.3.1 | Work, Energy & Simple Machines | IB IMYP Grade 8 Physics
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define Mechanical Advantage.

💡 Hint: Think about how much easier a machine makes work.

Question 2

Easy

What is a fulcrum?

💡 Hint: It's the point where the lever balances.

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 Mechanical Advantage measure?

  • The speed of a machine
  • The force amplification of a machine
  • The distance moved by a machine

💡 Hint: Think about what makes it easier to lift.

Question 2

True or False: Ideal Mechanical Advantage (IMA) takes friction into account.

  • True
  • False

💡 Hint: Consider how real-world applications vary.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You design a pulley system that consists of 4 movable pulleys. If you want to lift 800 N with less force, how much input force do you need to exert?

💡 Hint: Use the IMA formula considering the number of pulleys.

Question 2

In a lab, a student measures the work input of a lever to be 150 J. If the work output is 120 J, calculate the efficiency and interpret the significance of the result.

💡 Hint: Remember the efficiency calculation formula.

Challenge and get performance evaluation