This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A free falling body under gravity will have uniform A) Speed. B) Velocity. C) Momentum. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 2. A 300-N force acts on a 25-kg object. Theacceleration of the object is ..... A) 7, 500 m/s$^{2}$. B) 300 m/s$^{2}$. C) 25 m/s$^{2}$. D) 12 m/s$^{2}$. Show Answer Correct Answer: D) 12 m/s$^{2}$. 3. What is a common reference frame used in physics? A) The earth. B) Nearby moving objects. C) The sun. D) Our object of interest. Show Answer Correct Answer: A) The earth. 4. What is it called when the force of gravity is acting on an object? A) Weight. B) Sliding Friction. C) Momentum. D) Projectile Motion. Show Answer Correct Answer: A) Weight. 5. What is the instantaneous speed of an object? A) The total distance traveled divided by the total time taken. B) The change in position divided by the change in time. C) The speed at any given instant in time. D) The average of all instantaneous speeds. Show Answer Correct Answer: C) The speed at any given instant in time. 6. A ..... quantity is completely described by magnitude alone. A ..... quantity iscompletely described by a magnitude with a direction. A) Vector, scalar. B) Scalar, vector. C) All the above. D) None of the above. Show Answer Correct Answer: B) Scalar, vector. 7. Bailey is sprinting east in a straight 100 m race. Bailey starts from rest and accelerates uniformly for the first 6 seconds, reaching a velocity of 9 m/s. She maintains this velocity for the remainder of the race. Find Bailey's rate of acceleration during the acceleration phase: A) $1.5$. B) 1.5 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $1.5$. 8. Lever arm is another word for all of the following except A) The position where a torque is applied. B) The distance from the fulcrum. C) The length of a rod. D) Perpendicular distance from rotational axis. Show Answer Correct Answer: C) The length of a rod. 9. A dog runs with an initial speed of 7.5 m/s to a stop in 15 seconds. What is the dog's acceleration? A) -7.5 m/s$^{2}$. B) -7.5 m/s$^{2}$. C) -0.5 m/s$^{2}$. D) 7.5 m/s$^{2}$. Show Answer Correct Answer: C) -0.5 m/s$^{2}$. 10. A skydiver of mass 80 kg falls vertically with a constant speed of 50 m s-1 . The upward force acting on the skydiver is approximately A) 0 N. B) 80 N. C) 800 N. D) 4000 N. Show Answer Correct Answer: C) 800 N. 11. What is the SI unit for speed and velocity? A) Km. B) S. C) M/s. D) M/s$^{2}$. Show Answer Correct Answer: C) M/s. 12. Vector is ..... A) A quantity that does not involve direction. B) A quantity containing a magnitude and direction. C) A quantity containing a direction only. D) A quantity that does not involve direction and magnitude. Show Answer Correct Answer: B) A quantity containing a magnitude and direction. 13. A hacky sack is thrown up into the air with an initial velocity 3 m/s. What is the hang time of the hacky sack if it returns to the same point from which it was thrown? A) 0.3 seconds. B) 0.61 seconds. C) 1.2 seconds. D) 3.26 seconds. Show Answer Correct Answer: B) 0.61 seconds. 14. Kylie has an initial velocity of 2 m/s north and sprints as far as he can in 12 seconds with a constant acceleration of 1 m/s/s north. Kylie traveled ..... m North. A) $96$. B) 96 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $96$. 15. Which of the following is a unit for acceleration? A) Km/s. B) M/s$^{2}$. C) Mi/hr. D) Ft. Show Answer Correct Answer: B) M/s$^{2}$. 16. If you throw a baseball straight up, what is its vertical velocity at the highest point? A) 9.8 m/s$^{2}$. B) 9.8 m/s. C) 0 m/s$^{2}$. D) 0 m/s. Show Answer Correct Answer: D) 0 m/s. 17. What does the gradient of a distance-time graph represent? A) Acceleration. B) Speed. C) Distance. D) Velocity. Show Answer Correct Answer: B) Speed. 18. A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat's acceleration while it travels the 12.0 m? A) 1.3 m/s$^{2}$. B) 2.5 m/s$^{2}$. C) 3.0 m/s$^{2}$. D) 7.5 m/s$^{2}$. Show Answer Correct Answer: B) 2.5 m/s$^{2}$. 19. In 2.8 s, a car increases its velocity from 20m/s to 25m/s. What is the acceleration of the car? A) 8.7m/s2. B) 6.4m/s$^{2}$. C) 4.9m/s$^{2}$. D) 1.8m/s$^{2}$. Show Answer Correct Answer: D) 1.8m/s$^{2}$. 20. What is the unit of velocity? A) Meters. B) Meters per second. C) Meters per second per second. D) Meters per second squared. Show Answer Correct Answer: B) Meters per second. 21. What is the time required for a cart traveling at 12 m/s to travel 116 m? A) 9.667 s. B) 6 s. C) 0.167 s. D) Depends on the mass of the cart. Show Answer Correct Answer: A) 9.667 s. 22. An object is thrown upwards on Earth with an initial velocity of 30 m/s. The acceleration due to gravity on Earth is around-10 m/s. What is the displacement of the object after 7 seconds? A) 55 m. B) -35 m. C) 455 m. D) 0 m. Show Answer Correct Answer: B) -35 m. 23. A hummingbird averages a speed of about 45 km/hour (Cool facts:They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!). Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed? A) 810 km. B) 2.5 km. C) 3.6 km. D) 360 km. Show Answer Correct Answer: A) 810 km. 24. Distance over Time is the definition of ..... A) Speed. B) Velocity. C) Acceleration. D) Direction. Show Answer Correct Answer: A) Speed. 25. How much time would it take for an object to fall from rest a distance of 4.7 meters? A) 0.959 s. B) 4.79 s. C) 0.979 s. D) None of the above. Show Answer Correct Answer: C) 0.979 s. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 2 Kinematics Quiz 1Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 2Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 3Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 4Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 5Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 6Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 7Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 8Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 9Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books