This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 14 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What law states an object at rest stays at rest unless acted upon by a net force or a moving object at a contant speed will continue to move in a straight at a constant speed? A) First. B) Second. C) Third. D) Fourth. Show Answer Correct Answer: A) First. 2. F=M X A goes with which law of motion? A) First. B) Second. C) Third. D) Fourth. Show Answer Correct Answer: B) Second. 3. To complete a circuit the switch must be A) Unattached. B) Open. C) Closed. D) It depends. Show Answer Correct Answer: C) Closed. 4. Jackson travels 2 km north, then 3 km east, and finally 2 km south. Which statement is true? A) Jackson's displacement is 2 km west from his origin. B) Jackson is now 3 km east from where he started. C) Jackson's displacement is 7 km. D) None of the above. Show Answer Correct Answer: D) None of the above. 5. What is wave amplitude? A) The number of complete cycles per second. B) The time taken to complete one cycle. C) The displacement between equilibrium position and maximum position of the wave particles. D) The distance travelled by a wave in one second. Show Answer Correct Answer: C) The displacement between equilibrium position and maximum position of the wave particles. 6. Describe the escape velocity of a black hole? A) Slower than the speed of light. B) Unknown. C) Faster than the speed of light. D) None of above. Show Answer Correct Answer: C) Faster than the speed of light. 7. The absorption of ink by blotting paper involves A) Diffusion of ink through the blotting. B) Capillary action phenomenon. C) Viscosity of ink. D) Siphon action. Show Answer Correct Answer: B) Capillary action phenomenon. 8. Coulomb's law states that the force between two charged objects will ..... when the magnitude (value) of the object's charge increases. A) Increase. B) Decrease. C) Stay the same. D) First increase, then decrease. Show Answer Correct Answer: A) Increase. 9. What is the only force acting on the projectile? A) Gravitational force. B) Magnetic force. C) Normal force. D) Tensional force. Show Answer Correct Answer: A) Gravitational force. 10. What happens to the kinetic energy of a falling object as it approaches the ground? A) It increases. B) It decreases. C) It stays the same. D) It becomes negligible. Show Answer Correct Answer: A) It increases. 11. A diverging lens has a focal length of 10 cm. Where is the image located when an object is placed 30 cm from the lens? A) 7.5 cm on the near side. B) 30 cm on the near side. C) 15 cm on the near side. D) 7.5 cm on the far side. Show Answer Correct Answer: A) 7.5 cm on the near side. 12. Kilowatt - hour is a unit of A) Power. B) Current. C) Energy. D) Electric charge. Show Answer Correct Answer: A) Power. 13. You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser? A) 54 N. B) 6.0 J. C) 54 J. D) 27 J. Show Answer Correct Answer: C) 54 J. 14. If you were out in space and wanted to simulate the feeling of Earth's gravity, what would be the best way to do it? A) Accelerate upwards at 9.8 m/s2. B) Travel at a constant velocity. C) Travel at the escape velocity of Earth. D) Go in orbit around a large star. Show Answer Correct Answer: A) Accelerate upwards at 9.8 m/s2. 15. A student adds two displacement vectors with magnitudes of 3 m and 4 m respectively. Which one of the following could not be a possible choice for the resultant? A) 1.3 m. B) 3.3 m. C) 5 m. D) 6.8 m. Show Answer Correct Answer: A) 1.3 m. 16. Who is your Handsomest Pogi Physics Teacher? Wrong Spelling Wrong! A) Jayar Mendoza Ebreo. B) Jay-ar Marfa Ebreyo. C) Every color, Ebreo. D) JFragrances. Show Answer Correct Answer: A) Jayar Mendoza Ebreo. 17. In which among the following is alternating current not used? A) Refrigeration. B) Electroplating. C) Radio detection. D) Heat production. Show Answer Correct Answer: B) Electroplating. 18. Where does all the mass that create a black hole go? A) Event horizon. B) Singularity. C) Accretion disk. D) Jet. Show Answer Correct Answer: B) Singularity. 19. A merry-go-round, rotating initially at an angular speed of 0.23 rad/s, accelerates over a 3-s interval at a rate of 0.09 rad/s2 . What is its angular speed after this 3-s interval? A) 0.5 rad/s. B) 0.9 rad/s. C) 1.5 rad/s. D) 1.9 rad/s. Show Answer Correct Answer: A) 0.5 rad/s. 20. According to Newton's third law of motion, the strength of a reaction force is ..... the strength of the action force. A) Equal to. B) Negative to. C) Positive to. D) Greater than. Show Answer Correct Answer: A) Equal to. ← PreviousNext →Related QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books