This quiz works best with JavaScript enabled. Home > Science > Physics > Physics Basics > Physics – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 8 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When an object is on an inclined plane what is the force holding the object from sliding down? A) Gravity. B) Normal. C) Friction. D) Applied force. Show Answer Correct Answer: C) Friction. 2. Newton's First Law States ..... A) Acceleration is produced when a force acts upon an object. B) For every action, there is an equal and opposite reaction. C) An object at rest, stays at rest; an object in motion stays in motion. D) None of above. Show Answer Correct Answer: C) An object at rest, stays at rest; an object in motion stays in motion. 3. As an object's mass increases, its gravitational pull will ..... A) Decrease. B) Increase. C) Stay the same. D) Get weaker. Show Answer Correct Answer: B) Increase. 4. Uses which prefix? A) Mili. B) Cm. C) Deci. D) Micro. Show Answer Correct Answer: B) Cm. 5. Kinetic energy is calculated using A) M x g x h. B) Force x distance. C) 1/2 mass x velocity. D) 1/2 mass x velocity x velocity. Show Answer Correct Answer: D) 1/2 mass x velocity x velocity. 6. Kg = ..... g A) 285, 000. B) 285. C) 2, 850. D) 28, 500. Show Answer Correct Answer: A) 285, 000. 7. Which is an example of potential energy? A) A girl on a diving board. B) A boy swimming. C) A girl hitting a volleyball. D) A boy running around the pool. Show Answer Correct Answer: A) A girl on a diving board. 8. Water freezes at temperature.. A) 0. B) 12. C) 35. D) 45. Show Answer Correct Answer: A) 0. 9. Equation for electrical power A) Voltage x current. B) Voltage / current. C) Current / voltage. D) Voltage + current. Show Answer Correct Answer: A) Voltage x current. 10. Food, batteries, and fuel such as gasoline are similar because they are sources of ..... energy. A) Chemical energy. B) Kinetic energy. C) Mechanical energy. D) Heat energy. Show Answer Correct Answer: A) Chemical energy. 11. What is the correct equation for calculating a moment? A) Moment = perpendicular distance / force. B) Moment = force / perpendicular distance. C) Moment = force x perpendicular distance. D) None of above. Show Answer Correct Answer: C) Moment = force x perpendicular distance. 12. It is a branch of physics that is concerned with the structure and properties of the atomic nucleus, and with nuclear reactions and their applications. A) Classical Mechanics. B) Nuclear Physics. C) Thermodynamics. D) Quantum Mechanics. Show Answer Correct Answer: B) Nuclear Physics. 13. The speedometer of a car shows which of the following? A) Uniform speed. B) Average Speed. C) Instantaneous Speed. D) Distance. E) Non uniform speed. Show Answer Correct Answer: C) Instantaneous Speed. 14. Isabella runs 2 miles down the road from her house in 15 minutes and then walks 2 miles home over 1 hour. What is her total displacement? A) 0. B) 4 miles. C) 15 minutes in one hour. D) 2 miles. Show Answer Correct Answer: A) 0. 15. A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion? A) 1st law. B) 2nd law. C) 2 and 3 law. D) 3rd law. Show Answer Correct Answer: A) 1st law. 16. In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other. The orange cart has a speed of 2 m/s and the blue cart has an unknown initial speed. The carts stick together when they collide and move at 0.5 m/s, in the same direction as the blue cart. Calculate the unknown initial speed of the blue cart. A) 3 m/s. B) 1.0 m/s. C) 4.5 m/s. D) 2.33 m/s. Show Answer Correct Answer: A) 3 m/s. 17. In the wave equation, lambda is: A) The velocity of the wave. B) The frequency of the wave. C) The amplitude of the wave. D) The wavelength. Show Answer Correct Answer: D) The wavelength. 18. Electrical current is: A) The flow of neutrons. B) The flow of ions. C) The flow of electrons. D) The flow of charge. Show Answer Correct Answer: D) The flow of charge. 19. Temperature is a measure of the ..... A) Total energy in a substance. B) Total kinetic energy in a substance. C) Average potential energy in a substance. D) Average kinetic energy of molecules in a substance. Show Answer Correct Answer: D) Average kinetic energy of molecules in a substance. 20. When a roller coaster reaches the bottom of a steep slope, it has- A) Low PE and high KE. B) High PE and low KE. C) Low PE and low KE. D) High PE and high KE. Show Answer Correct Answer: A) Low PE and high KE. ← PreviousNext →Related QuizzesPhysics QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books