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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Newton's First Law?
💡 Hint: Think about objects in motion.
Question 2
Easy
What is friction?
💡 Hint: Consider what happens when sliding surfaces together.
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 Newton's Second Law?
- The net force acting on an object is equal to the rate of change of its velocity.
- The net force acting on an object is equal to the rate of change of its momentum.
- Objects at rest tend to stay at rest.
💡 Hint: Think about how force relates to mass and acceleration.
Question 2
True or False: Friction increases the speed of moving objects.
- True
- False
💡 Hint: Consider your experience with sliding objects.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 1500 kg car travels at 20 m/s. It collides with a 1800 kg truck at rest, and they stick together. Find their post-collision speed.
💡 Hint: Apply the conservation of momentum principle.
Question 2
If a basketball player pushes off the ground with a force of 300 N for 0.2 seconds, what impulse does he generate?
💡 Hint: Think about the force applied over time.
Challenge and get performance evaluation