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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a non-conservative force?
💡 Hint: Think about forces like friction or air resistance.
Question 2
Easy
Give an example of a non-conservative force.
💡 Hint: Consider the forces acting when an object slides.
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 is the main characteristic of non-conservative forces?
- Path independent
- Path dependent
- Conservative
💡 Hint: Remember their work is affected by the path.
Question 2
Friction is an example of which type of force?
- True
- False
💡 Hint: What type of work does friction do?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sled is pulled across a snowy hill. If the sled's mass is 15 kg and it slides 20 meters with a frictional force of 8 N, calculate the work done against friction.
💡 Hint: Recall the work formula and be careful with your units.
Question 2
Evaluate how the energy loss alters vehicle efficiency on a track with varying frictional qualities versus smooth pavement.
💡 Hint: Think about how friction in cars affects their power consumption.
Challenge and get performance evaluation