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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
Define central forces in your own words.
💡 Hint: Consider how these forces relate to the distance between objects.
Question 2
Easy
List two examples of central forces.
💡 Hint: Think about everyday physical interactions.
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 characterizes a central force?
- It depends on direction
- It acts along the line joining two bodies
- It is always non-conservative
💡 Hint: Focus on the definition.
Question 2
Is angular momentum conserved in systems under central forces?
- True
- False
💡 Hint: Consider the implications of path independence.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A comet approaches the sun on a hyperbolic trajectory. Calculate the energy and identify if it will escape the solar system.
💡 Hint: Use the energy classification criteria.
Question 2
Explain the relationship between the distance of a satellite from Earth and its orbital speed using concepts from central forces.
💡 Hint: Refer to gravitational potential energy equating to kinetic energy.
Challenge and get performance evaluation