This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part I > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An object free-falls from rest a distance D. How far will the object fall from rest in twice the elapsed time? A) 2 D. B) 3 D. C) $\sqrt{2}$. D) 4 D. E) D. Show Answer Correct Answer: D) 4 D. 2. A person drops a stone down a well and hears the echo 8.9 s later. If it takes 0.9 s for the echo to travel up the well, approximately how deep is the well? A) 810 m. B) 320 m. C) 640 m. D) 40 m. E) 405 m. Show Answer Correct Answer: B) 320 m. 3. Two cars are 5, 000 meters apart. The first car is moving in a northern direction with a velocity of 15 m/s and the second car is moving in southern direction with a velocity of 12 m/s. Use the relative velocity to find the amount of time it would take for the two cars to pass each other. A) 166.89 seconds. B) 185.25 seconds. C) 176.51 seconds. D) 185.19 seconds. Show Answer Correct Answer: D) 185.19 seconds. 4. Which of the following is always positive? A) Vector. B) Direction. C) Scalar. D) Magnitude. Show Answer Correct Answer: D) Magnitude. 5. Which statement distinguishes direction from magnitude in vectors? A) Direction gives how much; magnitude tells which way. B) Direction tells which way; magnitude tells how much. C) Both direction and magnitude indicate only how much. D) Neither direction nor magnitude affects a vector. Show Answer Correct Answer: B) Direction tells which way; magnitude tells how much. 6. A greyhound of mass 31-kg is moving at a speed of 20 m/s along a horizontal, frictionless surface. The puppers collides and sticks to a small poodle with a 6.5-kg mass moving in the same direction at 5 m/s. What is the final velocity of the greyhound-poodle system after the collision? A) 16 m/s. B) 17.4 m/s. C) 55 m/s. D) 7 m/s. E) 33.4 m/s. Show Answer Correct Answer: B) 17.4 m/s. 7. If the vectors are in different directions we can A) Add them. B) Subtract them. C) Multiply them. D) None of the answers are correct. Show Answer Correct Answer: D) None of the answers are correct. 8. In Newtonian physics, ..... is any motion of a body where gravity is the only force acting upon it. A) Kinematics. B) Free fall. C) Mechanics. D) Velocity. Show Answer Correct Answer: B) Free fall. 9. A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0$^\circ$ above the horizontal. The ball leaves her hand 1.00 m above the ground. How far from where the child is standing does the ball hit the ground? A) 6.79m. B) 1.22m. C) 5.14m. D) 7.46m. Show Answer Correct Answer: D) 7.46m. 10. An object can be moving for 10 seconds and still have zero displacement. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Area beneath a v-t graph A) Distance. B) Displacement. C) Acceleration. D) Velocity. E) Speed. Show Answer Correct Answer: B) Displacement. 12. Given the angular velocity ( $\omega$ $v$ A) Divide by $r$. B) Multiply by $r$. C) Use a kinematic equation. D) None of the above. Show Answer Correct Answer: B) Multiply by $r$. 13. A rotating object has an angular displacement of $\theta = 3t^2 + 2t$ $\theta$ $t$ $t = 2\, \text{s}$ A) $14\, \text{rad/s}$. B) $10\, \text{rad/s}$. C) $12\, \text{rad/s}$. D) $8\, \text{rad/s}$. Show Answer Correct Answer: C) $12\, \text{rad/s}$. 14. A car accelerates uniformly from rest to a speed of $20 \, \text{m/s}$ $5 \, \text{s}$ A) $10 \, \text{m/s}^2$. B) $5 \, \text{m/s}^2$. C) $4 \, \text{m/s}^2$. D) $2 \, \text{m/s}^2$. Show Answer Correct Answer: D) $2 \, \text{m/s}^2$. 15. A track athlete launches herself at a velocity of 12 m/s at an angle of 20 degrees to the ground. What is the length of her jump? A) 9.5 m. B) 4.1 m. C) 0.84 m. D) 11.8 m. Show Answer Correct Answer: A) 9.5 m. 16. The motion of an object that travels in a straight line at a constant speed A) Displacement. B) Uniform motion. C) Relative velocity. D) Frame of reference. Show Answer Correct Answer: B) Uniform motion. 17. Nora is walking to her friend Abigail's house with an average speed of 1.40 m/s. The distance between their houses is 205 m. How long will it take Nora to reach Abigail's house? A) 0.01 s. B) 287 s. C) 146 s. D) 2.50 min. Show Answer Correct Answer: C) 146 s. 18. As an object falls freely in a vacuum, its A) Velocity increases. B) Acceleration increases. C) Both a and b. D) None of the above. Show Answer Correct Answer: A) Velocity increases. 19. A deer running 15 meters per second due west.Vector or scalar? A) Scalar. B) Vector. C) All the above. D) None of the above. Show Answer Correct Answer: B) Vector. 20. Heavier objects free fall faster than lighter objects. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Noah drove to the nearest hospital to visit his friend Anika with an average speed of v m/s in t seconds. After the visit, if he drives back home on the same path, but with an average speed of 3v m/s, how long would it take for Noah to return home? A) 6t. B) T/6. C) T/3. D) 3t. Show Answer Correct Answer: C) T/3. 22. Moment of Inertia of a body about an axis of rotation depends A) Mass of the body. B) Choice of axis. C) Distribution of mass about the C. axis of rotation. D) All of the answers are true. Show Answer Correct Answer: D) All of the answers are true. 23. Which angle will produce the greatest range (in the absence of air resistance)? A) 0 degrees. B) 45 degrees. C) 90 degrees. D) None of these. Show Answer Correct Answer: B) 45 degrees. 24. Torque is the rotational analog of which of the following quantities? A) Force. B) Kinetic energy. C) Linear momentum. D) Acceleration. Show Answer Correct Answer: A) Force. 25. A stone is thrown vertically upward with a speedof 15.5 m/sec from the edge of a cliff 75 m high.What total distance did it travel? A) 66.97. B) 99.52. C) 74.25. D) 45. Show Answer Correct Answer: B) 99.52. 26. A steel ball is released just below the surface of thick oil in a cylinder. During the first few centimetres of travel, what is the acceleration of the ball? A) Constant and equal to 10 m / s2. B) Constant but less than 10 m / s2. C) Decreasing. D) Increasing. Show Answer Correct Answer: C) Decreasing. 27. A stone is thrown horizontally with an initial speed of 10 m/s from a bridge. If air resistance could be ignored, how long would it take the stone to strike the water 80 m below the bridge? A) 4 s. B) 1 s. C) 8 s. D) 2 s. Show Answer Correct Answer: A) 4 s. 28. What is distance? (taking an example of Delhi and Varanasi) A) Shortest Distance between Delhi and Varanasi. B) Longest Distance between Delhi and Varanasi. C) The actual path of Distance between Delhi and Varanasi. D) All of the above. Show Answer Correct Answer: C) The actual path of Distance between Delhi and Varanasi. 29. Negative velocity means an object is ..... A) Moving forwards. B) Speeding up. C) Slowing down. D) Moving backwards. Show Answer Correct Answer: D) Moving backwards. 30. An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees. Which one rises to a higher height? (assume no air resistance) A) 25 degrees. B) 65 degrees. C) Same for both. D) None of the above. Show Answer Correct Answer: B) 65 degrees. 31. A solid sphere and a hollow sphere of the same mass and radius are released from the top of an incline. Which one reaches the bottom first? A) Solid sphere. B) Hollow sphere. C) Both reach at the same time. D) Cannot be determined. Show Answer Correct Answer: A) Solid sphere. 32. In the absence of air resistance, the angle at which a thrown ball will go the farthest is? A) 30$^\circ$. B) 60$^\circ$. C) 45$^\circ$. D) 90$^\circ$. Show Answer Correct Answer: C) 45$^\circ$. 33. Two stones are released from rest at a certain height, one a short time after the other. As they fall, will difference in their vertical position A) Increase over time. B) Decrease over time. C) Stay the same. D) None of the above. Show Answer Correct Answer: C) Stay the same. 34. A boat travels upstream (north) with a velocity 10 m/s while the river flows north with a velocity of 8 m/s. What would be the total velocity experienced by the boat? A) 2 m/s. B) 18 m/s. C) 9 m/s. D) 80 m/s. Show Answer Correct Answer: B) 18 m/s. 35. What is acceleration of an object flying upward during free fall? A) Upward 9.8 m/s$^{2}$. B) Downward 9.8 m/s$^{2}$. C) All the above. D) None of the above. Show Answer Correct Answer: B) Downward 9.8 m/s$^{2}$. 36. A baseball has an initial y-velocity of 20.5 m/s and a total time of flight equal to 5 seconds. The softball was launched at an original height of 1.15 meters. If a fence-with a height if 2.5 meters-is 4 seconds away from where the batter stands, will the ball go over the fence? Why or why not? A) No, the ball will hit the fence. B) No, the ball will bounce back down. C) Yes, the ball will go over the fence. D) Yes, the ball will fall short of the fence. Show Answer Correct Answer: C) Yes, the ball will go over the fence. 37. A unit of acceleration is meters per second. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 38. True or False:Angular momentum is always conserved for orbiting objects if the external torque is zero. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. A 1, 819-kg car is traveling at 18 m/s and stops moving over a 7-s period. What is the magnitude of the average breaking force? A) 4, 677 N. B) 32, 742 N. C) 2, 518 N. D) 260 N. E) 4, 000 N. Show Answer Correct Answer: A) 4, 677 N. 40. A man moves 30m north. then he moves 20m east. then he moves 30 root 2 m south west. what will be his displacement A) 20m east. B) 30m west. C) 30m east. D) 10 m west. E) None of these. Show Answer Correct Answer: D) 10 m west. 41. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? A) 52.5 m. B) 158 m. C) 4.20 m. D) 105 m. Show Answer Correct Answer: A) 52.5 m. 42. A car, initially traveling east with a speed of 5.0 meters per second, is accelerated uniformly at 2.0 meters per second$^{2}$ for 10 seconds along a straight line. What total distance does the car travel during this 10 second interval?What is the acceleration of the car in the above problem? A) 0 m/s. B) 2 m/s$^{2}$. C) 10 s. D) 5 m/s. Show Answer Correct Answer: B) 2 m/s$^{2}$. 43. According to Newton's second law, what is the relationship between force, mass, and acceleration? A) Force equals mass multiplied by acceleration (F = ma). B) Acceleration equals force divided by mass. C) Mass equals force multiplied by acceleration. D) Force equals mass divided by acceleration. Show Answer Correct Answer: A) Force equals mass multiplied by acceleration (F = ma). 44. An arrow is aimed horizontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow? A) 40 m/s. B) 200 m/s. C) 100 m/s. D) 20 m/s. Show Answer Correct Answer: B) 200 m/s. 45. How would you find the displacement of an object undergoing acceleration using a quantitative velocity vs time graph. A) Vt. B) X$_{f}$ = vt + x$_{i}$. C) V$_{f}$ = at + v$_{i}$. D) 1/2(v+v$_{0}$)t. Show Answer Correct Answer: D) 1/2(v+v$_{0}$)t. 46. Kyle's velocity can be described with the formula v(t)=60t. How far does he travel between t=5s and t=8s? A) 1170m. B) 840m. C) 900m. D) 1000m. Show Answer Correct Answer: A) 1170m. 47. If I jump with an initial vertical velocity of 3m/s. About how long does it take me to reach the maximum height of my jump. A) 0.5s. B) 0.3s. C) 0.7s. D) 0.9s. Show Answer Correct Answer: B) 0.3s. 48. It takes 8.75 seconds to stop a car if its driver starts breaking at a velocity of 35m/s and decelerates the car at 4.0m/s$^{2}$. How far will the car travel before it stops? A) 307m. B) 215m. C) 86m. D) 153m. Show Answer Correct Answer: D) 153m. 49. A car moves at a constant velocity of 5 meters/second south for 2 seconds. what is the magnitude of the acceleration during the 2 seconds? A) 0 m/s$^{2}$. B) 2.5 m/s$^{2}$. C) 5 m/s$^{2}$. D) 10 m/s$^{2}$. Show Answer Correct Answer: A) 0 m/s$^{2}$. 50. Which of the following is NOT a unit for speed? A) Km/s. B) M/s. C) Kgm/s. D) M/min. Show Answer Correct Answer: C) Kgm/s. 51. If the torque required to loosen a nut on the wheel of a car has a magnitude of 60.0 Nm, what minimum perpendicular force must be exerted by a mechanic at the end of a 45.0 cm wrench to loosen the nut? A) 2700 N. B) 133 N. C) 27 N. D) 1.3 N. Show Answer Correct Answer: B) 133 N. 52. Given the linear acceleration ( $a$ $\alpha$ A) Divide by $r$. B) Multiply by $r$. C) Use a kinematic equation. D) None of the above. Show Answer Correct Answer: A) Divide by $r$. 53. Final value in a kinematics context means A) The value at the beginning of motion. B) The maximum possible value observed. C) The midpoint value of a dataset. D) The value at the end of the considered time interval. Show Answer Correct Answer: D) The value at the end of the considered time interval. 54. When velocity is positive and acceleration is negative, what happens to the object's motion? A) The object speeds up. B) The object slows down. C) The object remains at rest. D) The object remains at a constant velocity. Show Answer Correct Answer: B) The object slows down. 55. While San San is running away from her problems, she runs 300 m forward, stops to catch her breath, then runs another 250 m forward. True/False:Her distance and displacement are the same. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 56. Harry Potter waved his .23 m wand with .069 Nm of torque. How much force did Harry apply to rotate his wand? A) .3. B) .5. C) .16. D) .4. Show Answer Correct Answer: A) .3. 57. A cheetah has a starting velocity of 8 m/s and increases to 20 m/s in a total time differential of 2.4 seconds. What was the cheetah's acceleration? A) 11.67 m/s2. B) -11.67 m/s2. C) 5 m/s2. D) 5 m/s2. Show Answer Correct Answer: C) 5 m/s2. 58. M/s$^{2}$ is a unit of A) Velocity. B) Time. C) Speed. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 59. Which of the following is the correct kinematic equation for calculating final velocity? A) $v_f = v_i-2at$. B) $v_f = v_i-at$. C) $v_f = v_i + at$. D) $v_f = v_i + 2at$. Show Answer Correct Answer: C) $v_f = v_i + at$. 60. A 2.5-kg mass is undergoing uniform circular motion with a constant speed of 3.5 m/s in a circle of radius 0.8 m. Calculate the centripetal acceleration of the mass. A) 15.3 m/s$^{2}$. B) 50 m/s$^{2}$. C) 4.4 m/s$^{2}$. D) 38.3 m/s$^{2}$. E) 10.9 m/s$^{2}$. Show Answer Correct Answer: A) 15.3 m/s$^{2}$. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books