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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does Newton's Law of Universal Gravitation express?
💡 Hint: Think about the formula F = G(m₁m₂/r²).
Question 2
Easy
Define gravitational potential in your own words.
💡 Hint: Consider the significance of 'infinity' in this context.
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 gravitational force between two objects directly proportional to?
- Distance
- Mass
- Time
💡 Hint: Look at the formula F = G(m₁m₂/r²).
Question 2
True or False: Gravitational potential is always positive.
- True
- False
💡 Hint: Reflect on the concept of work done in a gravity field.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If Earth has a mass of 5.972 × 10²⁴ kg and a radius of 6.371 × 10⁶ m, compute the gravitational force between Earth and an object of mass 1 kg at the surface.
💡 Hint: Don’t forget to square the radius!
Question 2
Define the concept of gravitational field strength and derive its formula from Newton’s law.
💡 Hint: What's happening to m when divided?
Challenge and get performance evaluation