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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Newton's law of universal gravitation?
💡 Hint: Remember the equation F = G(m1 * m2) / r².
Question 2
Easy
What does the gravitational constant G represent?
💡 Hint: Think about its role in calculating gravitational forces.
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 Newton's law of universal gravitation describe?
- The motion of Earth
- The attraction between masses
- The shape of planets' orbits
💡 Hint: Consider the equation behind gravitational force.
Question 2
True or False: Gravitational force is stronger when distance decreases.
- True
- False
💡 Hint: Reflect on Newton's law and its factors.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An asteroid is in an elliptical orbit with the semi-major axis of 10 million km. Calculate its orbital period.
💡 Hint: Use the mass of the Sun for Ms in your calculations.
Question 2
If the escape velocity from a planet is 12 km/s, what would be the gravitational parameter of that planet?
💡 Hint: You will need the radius of the planet to solve this.
Challenge and get performance evaluation