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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 linear momentum.
💡 Hint: Think about what happens when a body moves.
Question 2
Easy
What happens to the momentum of a body if no external forces act on it?
💡 Hint: Recall Newton's first law of motion.
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 Euler's First Law state?
- The rate of change of linear momentum is proportional to the net external force.
- The acceleration of a body is always zero.
- All forces acting on a rigid body cancel out.
💡 Hint: Remember the relationship between force and momentum.
Question 2
True or False: If no net external force acts on a rigid body, its momentum will change.
- True
- False
💡 Hint: Think about the implications of Newton's first law.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A boat sails across a river with a current. Analyze the forces affecting its linear momentum and how the result alters its trajectory.
💡 Hint: Consider both the direction of the current and the force applied by the boat's motor.
Question 2
A figure skater spins with arms extended and then pulls them in. Discuss how this affects angular momentum.
💡 Hint: Remember how changes in shape can affect speed during rotation.
Challenge and get performance evaluation