This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A body is moving in a straight line. A force F acts on the body in the direction of the body's motion. A resistive force f acts on the body. Both forces act along the same straight line as the motion of the body. The rate of change of momentum of the body is equal to A) F-f. B) F. C) F+ f. D) F. Show Answer Correct Answer: A) F-f. 2. A golfer wants to hit a very long horizontal shot. the ball needs to leave the golf club at an angle of ..... A) 30 degrees. B) 45 degrees. C) 60 degrees. D) 90 degrees. Show Answer Correct Answer: B) 45 degrees. 3. A rocket is propelled upward with an acceleration of 25 m/s$^{2}$ for 5 s. After that time, the engine is shut off, and the rocket continues to move upward. The maximum height, in meters, that the rocket will reach is A) 900. B) 1000. C) 1100. D) 1200. Show Answer Correct Answer: C) 1100. 4. All of the given choices are example of vector quantity except one. A) Displacement. B) Acceleration. C) Speed. D) Velocity. Show Answer Correct Answer: C) Speed. 5. The speed you read on a speedometer is ..... A) Instantaneous speed. B) Constant speed. C) Average speed. D) Velocity. Show Answer Correct Answer: A) Instantaneous speed. 6. If a tennis ball had an initial y-velocity of 5.5 m/s, was projected at an angle of 37 degrees, and had an original diagonal velocity of 7.3 m/s, then what would be the tennis ball's maximum height if it was originally launched from an initial height of 1.75 meters? A) 3.29 m. B) 1.54 m. C) 1.75 m. D) 2.74 m. Show Answer Correct Answer: B) 1.54 m. 7. If a cannon ball had a vertical velocity of 8 m/s, an initial height of 2 meters, and was launched at angle of 20 degree, then what would be the total time of flight? A) 1.16 seconds. B) 1.56 seconds. C) 2.16 seconds. D) 2.56 seconds. Show Answer Correct Answer: C) 2.16 seconds. 8. A man runs 650 m east and then turns and runs 850 m west. This takes him 240 seconds. What is the man's average VELOCITY for the race? A) 0.83 m/s west. B) 1.2 m/s west. C) 1500 m/s west. D) 200 m/s west. Show Answer Correct Answer: A) 0.83 m/s west. 9. Karina karate chops sarah and sarah goes flying 55 m at 10 m/s. How much time did it take her to fly that distance? A) 550 s. B) 5.5 s. C) 550 m/s. D) 5.5 m/s. Show Answer Correct Answer: B) 5.5 s. 10. The number of complete revolutions per second is: A) Frequency. B) Period. C) Torque. D) Rotational inertia. Show Answer Correct Answer: A) Frequency. 11. What is the rate at which velocity changes called? A) Speed. B) Distance. C) Momentum. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 12. How long would it take a car, starting from rest and accelerating uniformly in a straight line at 5 m/s$^{2}$, to cover a distance of 200m A) 9.0s. B) 10.5s. C) 12.0s. D) 15.5s. Show Answer Correct Answer: A) 9.0s. 13. Which pair is correctly matched for a scalar and a vector quantity? A) Scalar:velocity; Vector:speed. B) Scalar:displacement; Vector:distance. C) Scalar:speed; Vector:velocity. D) Scalar:acceleration; Vector:time. Show Answer Correct Answer: C) Scalar:speed; Vector:velocity. 14. A car accelerates uniformly from rest to a speed of 7.0 m/s in 6.0 s. Find the distance the car travels during this time. A) 42 m. B) 126 m. C) 252 m. D) 21 m. Show Answer Correct Answer: D) 21 m. 15. Consider drops of water leaking from a water faucet. As the drops fall they A) Remain at a relatively fixed distance from each other. B) Get farther apart. C) Get closer together. D) None of the above. Show Answer Correct Answer: B) Get farther apart. 16. An airplane increases its speed at the average rate of 15 m/s$^{2}$. How much time does it take to increase its speed from 100 m/s to 160 m/s? A) 17.0 s. B) 0.058 s. C) 4.0 s. D) 0.25 s. Show Answer Correct Answer: C) 4.0 s. 17. A car starts from rest and uniformly accelerates to a final speed of 20.0 m/s in a time of 15.0 s. How far does the car travel during this time? A) 150 m. B) 300 m. C) 450 m. D) 600 m. Show Answer Correct Answer: A) 150 m. 18. A ball is thrown at an angle 45.0$^\circ$ above the horizontal from ground level with an initial velocity of 20.0 m/s. What is the range of the ball? A) 20m. B) 40.8m. C) 19.6m. D) 34.4m. Show Answer Correct Answer: B) 40.8m. 19. Velocity differs from speed because velocity specifically includes which component? A) Mass of the object. B) Direction of motion. C) Net force magnitude. D) Coefficient of friction. Show Answer Correct Answer: B) Direction of motion. 20. A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be A) 19.6 m/s. B) -5.4 m/s. C) -44.6 m/s. D) 44.6 m/s. Show Answer Correct Answer: C) -44.6 m/s. 21. 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 velocity of the object after 7 seconds? A) -210 m/s. B) -40 m/s. C) -70 m/s. D) 100 m/s. Show Answer Correct Answer: B) -40 m/s. 22. A place or object used for comparison to determine if another object is in motion is called a A) Comparison point. B) Reference point. C) Point of view. D) Motion detector. Show Answer Correct Answer: B) Reference point. 23. Inertia varies depending on ..... A) Force. B) Mass. C) Velocity. D) Motion. Show Answer Correct Answer: B) Mass. 24. If the angular velocity of an object changes from 3 rad/s to 1 rad/s in 2 seconds, what is the object's angular acceleration? A) -1.5 rad/s$^{2}$. B) -1 rad/s$^{2}$. C) 1 rad/s$^{2}$. D) 1.5 rad/s$^{2}$. Show Answer Correct Answer: B) -1 rad/s$^{2}$. 25. Do free falling objects move at constant velocity or do they accelerate? A) Falling objects accelerate at-9.8 m/s$^{2}$. B) Falling object move at constant velocity. C) Falling objects accelerate at 100 m/s$^{2}$. D) It depends on the mass:heavy objects accelerate, light objects do not. Show Answer Correct Answer: A) Falling objects accelerate at-9.8 m/s$^{2}$. ← 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