This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 6 Gravitation – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When you are holding a book, energy is stored between the book and Earth; this type of energy is called ..... potential energy. A) Kinetic Energy. B) Chemical Energy. C) Gravitational Potential Energy. D) Electric Energy. Show Answer Correct Answer: C) Gravitational Potential Energy. 2. Aria and Ethan are conducting a physics experiment. They need to calculate the gravitational force between two 5, 000 kg masses that are 20 meters apart using scientific notation. Use $G = 6.674 \times 10^{-11} \, \text{N m}^2/\text{kg}^2$ A) $8.3425 \times 10^{-8} \, \text{N}$. B) $4.17125 \times 10^{-8} \, \text{N}$. C) $1.6685 \times 10^{-8} \, \text{N}$. D) $3.337 \times 10^{-8} \, \text{N}$. Show Answer Correct Answer: B) $4.17125 \times 10^{-8} \, \text{N}$. 3. Which experiment can be used to measure the gravitational constant (G)? A) Cavendish experiment. B) Millikan oil drop experiment. C) Rutherford gold foil experiment. D) Young's double-slit experiment. Show Answer Correct Answer: A) Cavendish experiment. 4. A ball is thrown upward with an initial speed of 20 m/s. What is the height of the ball after 2 seconds? A) 10 m. B) 20 m. C) 30 m. D) 40 m. Show Answer Correct Answer: B) 20 m. 5. What is the gravitational potential energy (GPE) of a 500 gram book that is 1 meter above the ground? g = 9.8 m/s$^{2}$$^{Watch out for units!}$ A) 4.9 Joules. B) 1.0 Joule. C) 0.10 Joule. D) 11.8 m/s$^{2}$. Show Answer Correct Answer: A) 4.9 Joules. 6. When placed at equal distances apart, the greatest gravitational attraction will be between two A) Skateboards. B) Bowling balls. C) School buses. D) None of the above. Show Answer Correct Answer: C) School buses. 7. When 'g' is opposing the velocity, its value is taken A) Positive. B) Negative. C) Negligible. D) None of the above. Show Answer Correct Answer: B) Negative. 8. An astronaut on the Moon drops a hammer and a feather from the same height at the same time. What will happen and why? A) Both will hit the ground at the same time because there is no air resistance on the Moon. B) The hammer will hit the ground first because it is heavier. C) The feather will hit the ground first because it is lighter. D) Both will float in the air because there is no gravity on the Moon. Show Answer Correct Answer: A) Both will hit the ground at the same time because there is no air resistance on the Moon. 9. Planets orbit the Sun in a shape called a(n) A) Circle. B) Ellipse. C) Focus. D) Perihelion. Show Answer Correct Answer: B) Ellipse. 10. Who found the Gravitational Constant A) Newton. B) Galileo. C) Einstein. D) Cavendish. Show Answer Correct Answer: D) Cavendish. 11. The least value of apparent weight of a body in a fluid is A) > 0. B) = 0. C) < 0. D) Depends on the density of solid and fluid. Show Answer Correct Answer: B) = 0. 12. Two large objects of equal mass, m, are separated by a distance r and exert a gravitational pull of magnitude F. If the distance between the two objects is reduced to r/4, what is the new gravitational force acting on each object? A) F/2. B) F/4. C) F/16. D) 4F. E) 16F. Show Answer Correct Answer: E) 16F. 13. If the mass of one object is doubled while the distance between two objects remains the same, how does the gravitational force between them change? A) It becomes twice as strong. B) It becomes half as strong. C) It becomes four times as strong. D) It remains the same. Show Answer Correct Answer: A) It becomes twice as strong. 14. The measure of the pull of gravity on an object is ..... A) Motion. B) Weight. C) Speed. D) Friction. Show Answer Correct Answer: B) Weight. 15. ..... is the angular momentum of the satellite. A) $\sqrt[]{GMrm^{ }}$. B) $\sqrt[]{GMrm^2}$. C) $\sqrt[]{GMm^2}$. D) $\sqrt[]{GMr^2}$. Show Answer Correct Answer: B) $\sqrt[]{GMrm^2}$. 16. An object's gravitational potential energy store can be increased by ..... A) By lifting the object higher. B) Increasing the velocity (speed) of the object. C) Decreasing the size of the object. D) Decreasing the mass of the object. Show Answer Correct Answer: A) By lifting the object higher. 17. The gravitational force between two objects is F. If masses of both the objects are halved without altering the distance between them, then the gravitational force would become A) F/4. B) F/2. C) F. D) 2f. Show Answer Correct Answer: A) F/4. 18. Two objects with equal masses of 1 kg each are separated by a distance of 1 m. The gravitational force between the objects is: A) Slightly less than G. B) Slightly greater that G. C) Equal to G. D) Half as much of G. Show Answer Correct Answer: C) Equal to G. 19. When will the gravity between two objects be the LEAST? A) When the masses of both objects is small and the objects are close together. B) When the masses of both objects is small and the objects are far apart. C) When the masses of both objects is large and the objects are close together. D) When the masses of both objects is large and the objects are far apart. Show Answer Correct Answer: B) When the masses of both objects is small and the objects are far apart. 20. An apple hangs on a tree on the Earth. Which of the following statements is correct? A) The force on the apple is greater than the force on the Earth because the Earth is more massive. B) The forces on the apple and the Earth are zero because they are not touching each other. C) The force on the apple is less than the force on the Earth because the tree is supporting the apple. D) The forces on the apple and Earth are equal. Show Answer Correct Answer: D) The forces on the apple and Earth are equal. 21. If Mass 1 is doubled (2m) and the distance between the two masses is doubled (2r), the force of gravity will ..... A) Double. B) Be half. C) Quadruple. D) Reduce be a factor of 4. Show Answer Correct Answer: B) Be half. 22. Kepler's first law states that the Sun is located at one ..... of a planet's orbit. A) Outside. B) Focus. C) Center. D) Ellipse. Show Answer Correct Answer: B) Focus. 23. If the mass of one of two spheres increases, how does it affect the gravity between the two spheres? A) The gravity increases. B) The gravity decreases. C) The gravity fluctuates. D) The gravity is not affected. Show Answer Correct Answer: A) The gravity increases. 24. If the mass of the Sun is doubled, while that of the Earth is halved, then the Fg between them A) Is halved. B) Is doubled. C) Is 1.5 times greater than the original. D) Stays the same. Show Answer Correct Answer: D) Stays the same. 25. A 100 kg man is on top of a 10 m tall hill. Find his gravitational potential energy A) 9800 J. B) 4500 J. C) 2000 J. D) 10500 J. Show Answer Correct Answer: A) 9800 J. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 6 Gravitation Quiz 1Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 3Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 4Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 5Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 6Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 7Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 8Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 9Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 10Class 11 Physics (Part I) Chapter 6 Gravitation Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books