This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The unit we use to measure speed is ..... A) M/s. B) M. C) S. D) M/s$^{2}$. Show Answer Correct Answer: A) M/s. 2. An object falls freely from rest under the influence of gravity. If air resistance is negligible, the ratio of the distances traveled during each 1-second time interval by the object during the first, second, and third seconds of its fall is A) 1:1:1. B) 1:2:3. C) 1:2:4. D) 1:3:5. E) 1:4:9. Show Answer Correct Answer: D) 1:3:5. 3. If an object moves with constant acceleration its speed will A) Stay the same. B) Increase then stay constant. C) Constantly change. D) Constantly decrease. Show Answer Correct Answer: C) Constantly change. 4. What is the total distance traveled by a car that is traveling at 20 m/s for 3 minutes? A) 4000 m. B) 3600 m. C) 60 m. D) Depends on the mass of the car. Show Answer Correct Answer: B) 3600 m. 5. A boy is riding a bicycle at a velocity of 5.0 m/s. He applies the brakes and uniformly decelerates to a stop at a rate of 2.5 m/s2. How long does it take for the bicycle to stop? A) 0.5 s. B) 1.0 s. C) 1.5 s. D) 2.0 s. E) 2.5 s. Show Answer Correct Answer: D) 2.0 s. 6. A student walks 20 meters at a constant speed of 1.4 m/s. How long did it take for her to walk the 20 meters A) 20 s. B) .07 s. C) 28 s. D) 14.3 s. Show Answer Correct Answer: D) 14.3 s. 7. A car accelerates uniformly from rest at 3.2m/s $^{2}$when the car traveled a distance of 40 m it's speed will be A) 12.5 m/s. B) 8.0m/s. C) 16m/s. D) 128m/s. Show Answer Correct Answer: C) 16m/s. 8. Suppose an object is in free fall. Each second the object falls A) The same distance as in the second before. B) A larger distance than in the second before. C) With the same instantaneous speed. D) With the same average speed. Show Answer Correct Answer: B) A larger distance than in the second before. 9. If a force of $5 \, \text{N}$ $0.2 \, \text{m}$ A) $1 \, \text{Nm}$. B) $0.1 \, \text{Nm}$. C) $25 \, \text{Nm}$. D) $5 \, \text{Nm}$. Show Answer Correct Answer: A) $1 \, \text{Nm}$. 10. What is the correct unit for distance in kinematics? A) M. B) Ft. C) Mi. D) Km. Show Answer Correct Answer: A) M. 11. From rest, a ball is dropped from the top of a building. It takes 4 s to hit the ground. Approximately how tall is the building? A) 40 m. B) 90 m. C) 100 m. D) 160 m. E) 200 m. Show Answer Correct Answer: B) 90 m. 12. A skier starting from rest skis straight down a slope 50 meters long in 5.0 seconds. What is the magnitude of the acceleration of the skier? What is the displacement of the skier in the above problem? A) 0 m/s. B) 5.0 s. C) 50 m. D) -50 m. Show Answer Correct Answer: D) -50 m. 13. A person throws a ball horizontally from the top of a building that is 24.0 m above the ground level. The ball lands 100 m down range from the base of the building. What was the initial velocity of the ball? A) 202 m/s. B) 9.8 m/s. C) 19.6 m/s. D) 45.2 m/s. Show Answer Correct Answer: D) 45.2 m/s. 14. A wheel rotates with a constant angular velocity of $6\, \text{rad/s}$ $10\, \text{s}$ A) $9.55\, \text{revolutions}$. B) $6\, \text{revolutions}$. C) $3.18\, \text{revolutions}$. D) $12\, \text{revolutions}$. Show Answer Correct Answer: A) $9.55\, \text{revolutions}$. 15. A ball is launched at an angle such that it is not horizontal nor vertical. As the ball travels will it ever ever fall completely vertical if air resistance is negligible? A) Yes the ball will eventually fall straight down. B) No the ball will never fall straight down. C) All the above. D) None of the above. Show Answer Correct Answer: B) No the ball will never fall straight down. 16. What is the role of friction in kinematics? A) Friction has no impact on motion. B) Friction always slows down an object's motion. C) Friction speeds up an object's motion. D) Friction changes the color of the object in motion. Show Answer Correct Answer: B) Friction always slows down an object's motion. 17. A unit of velocity is the meter. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. The amount of inertia that any object has depends solely on how much ..... it has. A) Mass. B) Speed. C) Inertia. D) Volume. Show Answer Correct Answer: A) Mass. 19. A bobsled team accelerates the sled to go to 150 m/s in 3 seconds from rest. What is the sled's acceleration? A) 50 m/s. B) 450 m/s$^{2}$. C) 50 m/s$^{2}$. D) 450 m/s. Show Answer Correct Answer: C) 50 m/s$^{2}$. 20. The horizontal and vertical components of the initial velocity of a football are 16 m/s and 20 m/s respectively. How long does it take for the football to rise to the highest point of its trajectory? A) 1s. B) 2s. C) 3s. D) 4.0 s. Show Answer Correct Answer: B) 2s. 21. A horse follows a dangling carrot for 20 m, if it took her 50 seconds to reach it, what was her average velocity? A) 1, 000 m/s. B) 2.5 m/s. C) 0.4 m/s. D) 20 m/s. Show Answer Correct Answer: C) 0.4 m/s. 22. A kg-m$^{2}$/s$^{2}$ is otherwise known as a(n) A) Newton. B) Joule. C) Watt. D) Displacement. Show Answer Correct Answer: B) Joule. 23. Why does a car accelerate as it rounds a corner at a constant speed? A) Its direction changes. B) It doesn't. C) It slows down. D) Its speeds up. Show Answer Correct Answer: A) Its direction changes. 24. If an object has a positive $\omega$ $\tau$ A) Rotating clockwise and speeding up. B) Rotating counterclockwise and speeding up. C) Rotating clockwise and slowing down. D) Rotating counterclockwise and slowing down. Show Answer Correct Answer: B) Rotating counterclockwise and speeding up. 25. A racing driver enters the home straight at 50 m s$^{-1}$. He then accelerates uniformly until he passes the finish line, 432m away. At this time he is moving at 70ms$^{-1}$. Which statement is correct? A) The acceleration is 20ms$^{-2}$. B) The time taken to reach the finish line is 2.0s. C) The time taken to reach the finish line is 7.2s. D) When the driver's speed is 60ms$^{-1}$, he is 216m from the finish line. Show Answer Correct Answer: C) The time taken to reach the finish line is 7.2s. ← 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