This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part I > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A kg-m$^{2}$/s$^{2}$ is otherwise known as a(n) A) Joule. B) Displacement. C) Newton. D) Watt. Show Answer Correct Answer: A) Joule. 2. 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. 3. 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. 4. 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) When the driver's speed is 60ms$^{-1}$, he is 216m from the finish line. B) The time taken to reach the finish line is 7.2s. C) The acceleration is 20ms$^{-2}$. D) The time taken to reach the finish line is 2.0s. Show Answer Correct Answer: B) The time taken to reach the finish line is 7.2s. 5. What is the torque produced by a force of 10 N applied perpendicularly at a distance of 0.5 m from the pivot point? A) 15 Nm. B) 20 Nm. C) 10 Nm. D) 5 Nm. Show Answer Correct Answer: D) 5 Nm. 6. ..... is how far an object has traveled A) Acceleration. B) Velocity. C) Displacement. D) Distance. Show Answer Correct Answer: D) Distance. 7. If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed if his acceleration is-9.8 m/s$^{2}$ and his velocity at the top of his leap is 0 m/s? A) 2.0 m/s. B) 25.2 m/s. C) 5.02 m/s. D) 9.8 m/s. Show Answer Correct Answer: C) 5.02 m/s. 8. A Ferris wheel starts at rest and builds up to a final angular speed of 0.70 rad/s while rotating through an angular displacement of 4.9 rad. What is its average angular acceleration? A) 0.05 rad/s/s. B) 0.07 rad/s/s. C) 1.8 rad/s/s. D) 2.6 rad/s/s. Show Answer Correct Answer: A) 0.05 rad/s/s. 9. Juan is standing on the top observation deck of the Eiffel Tower in Paris at a height of 300 meters. He drops his cell phone. How fast will the phone be traveling when it hits the ground? Ignore the effect of air resistance. A) 76.68 m/s. B) 9.8 m/s. C) 46.99 m/s. D) 149.76 m/s. Show Answer Correct Answer: A) 76.68 m/s. 10. What is the velocity of an object that has been falling freely in a vacuum for 2 seconds? A) 39.2 m/s down. B) 9.8 m/s down. C) 10.1 m/s down. D) 19.6 m/s down. Show Answer Correct Answer: D) 19.6 m/s down. 11. One end of a string is fixed. An object attached to the other end moves on a horizontal plane with uniform circular motion of radius R and frequency f. The tension in the string is Fs . If both the radius and frequency are doubled, the tension is A) 4 F$_{s}$. B) 2 F$_{s}$. C) 1/4 F$_{s}$. D) 1/2 F$_{s}$. E) 8 F$_{s}$. Show Answer Correct Answer: E) 8 F$_{s}$. 12. When a car rounds a corner at a constant speed, its acceleration is zero. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at-3 m/s$^{2}$? A) 525 m. B) 9813 m. C) 3750 m. D) 6235 m. Show Answer Correct Answer: C) 3750 m. 14. What does a positive sign for vectors indicate in terms of direction? A) Travel West. B) Travel North. C) Travel East. D) Travel South. Show Answer Correct Answer: C) Travel East. 15. All objects accelerate at the same rate due to gravity, unless air resistance affects one object more than another A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 16. A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the car's average acceleration? A) 0.17 m/s$^{2}$. B) 1.67 m/s$^{2}$. C) 7 m/s$^{2}$. D) 6 m/s$^{2}$. Show Answer Correct Answer: D) 6 m/s$^{2}$. 17. Which branch of mechanics deals with the study of physical bodies at rest? A) Thermodynamics. B) Kinematics. C) Dynamics. D) Statics. Show Answer Correct Answer: D) Statics. 18. What is the total length traveled between the start and end point of a journey? A) Distance. B) Displacement. C) Acceleration. D) Velocity. Show Answer Correct Answer: A) Distance. 19. The pull of gravity on a baseball, and the pull on the earth by the baseball A) Action-reaction forces. B) Forces that cancel. C) All the above. D) None of the above. Show Answer Correct Answer: A) Action-reaction forces. 20. It took Shawn 6 hours to walk to Susan's house at 2 km/hr. How far is it between Shawn's house and Susan's house? A) 12 hours. B) 3 hours. C) 3 km. D) 12 km. Show Answer Correct Answer: D) 12 km. 21. By what factor will the kinetic energy of an object increase if the velocity of the object is tripled? A) 9. B) 6. C) The kinetic energy will stay the same. D) 3. Show Answer Correct Answer: A) 9. 22. A quantity that has no direction is referred to as a A) Vector quantity. B) Scalar quantity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Scalar quantity. 23. True or False:If the net torque is non-zero, the system is accelerating. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Who do you agree with? A) Anita: "A projectile's v$_{x }$changes because of gravity, and its v$_{y }$remains constant.". B) Barry: "Both v$_{x}$ and v$_{y}$ are constant.". C) Chris: "A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.". D) Dave: "A projectile has vertical acceleration and a constant horizontal velocity". Show Answer Correct Answer: D) Dave: "A projectile has vertical acceleration and a constant horizontal velocity". 25. A rock is dropped from a bridge. What happens to the magnitude of the acceleration and the speed of the rock as it falls? A) Both acceleration and speed increase. B) Both acceleration and speed remain the same. C) Acceleration increases and speed decreases. D) Acceleration remains the same and speed increases. Show Answer Correct Answer: D) Acceleration remains the same and speed increases. 26. Michael is playing baseball and throws the ball from the pitcher's mound to home plate. It takes 0.46 s for the ball to travel the 18.4 m distance. What was the average speed of the baseball? A) 40 m/s. B) 0.03 m/s. C) 8.5 m/s. D) -40 m/s. Show Answer Correct Answer: A) 40 m/s. 27. In the equation p = m x v, the p represents ..... A) Friction. B) Momentum. C) Inertia. D) Position. Show Answer Correct Answer: B) Momentum. 28. The initial value of something has a subscript, what is the subscript for our physics class? A) I. B) S. C) 0. D) F. Show Answer Correct Answer: C) 0. 29. A free falling body under gravity will have uniform A) Acceleration. B) Speed. C) Momentum. D) Velocity. Show Answer Correct Answer: A) Acceleration. 30. 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$^{2}$. 31. What is a common reference frame used in physics? A) The sun. B) Our object of interest. C) Nearby moving objects. D) The earth. Show Answer Correct Answer: D) The earth. 32. What is it called when the force of gravity is acting on an object? A) Sliding Friction. B) Projectile Motion. C) Weight. D) Momentum. Show Answer Correct Answer: C) Weight. 33. 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. 34. 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. 35. 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) $1.5$. 36. Lever arm is another word for all of the following except A) Perpendicular distance from rotational axis. B) The distance from the fulcrum. C) The length of a rod. D) The position where a torque is applied. Show Answer Correct Answer: C) The length of a rod. 37. 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) -7.5 m/s$^{2}$. D) -0.5 m/s$^{2}$. Show Answer Correct Answer: D) -0.5 m/s$^{2}$. 38. 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) 800 N. B) 4000 N. C) 80 N. D) 0 N. Show Answer Correct Answer: A) 800 N. 39. What is the SI unit for speed and velocity? A) M/s$^{2}$. B) S. C) M/s. D) Km. Show Answer Correct Answer: C) M/s. 40. 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) 3.26 seconds. C) 0.61 seconds. D) 1.2 seconds. Show Answer Correct Answer: C) 0.61 seconds. 41. 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) $96$. 42. Which of the following is a unit for acceleration? A) Mi/hr. B) Ft. C) M/s$^{2}$. D) Km/s. Show Answer Correct Answer: C) M/s$^{2}$. 43. If you throw a baseball straight up, what is its vertical velocity at the highest point? A) 9.8 m/s. B) 0 m/s. C) 9.8 m/s$^{2}$. D) 0 m/s$^{2}$. Show Answer Correct Answer: B) 0 m/s. 44. What does the gradient of a distance-time graph represent? A) Speed. B) Velocity. C) Acceleration. D) Distance. Show Answer Correct Answer: A) Speed. 45. 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) 3.0 m/s$^{2}$. B) 7.5 m/s$^{2}$. C) 1.3 m/s$^{2}$. D) 2.5 m/s$^{2}$. Show Answer Correct Answer: D) 2.5 m/s$^{2}$. 46. In 2.8 s, a car increases its velocity from 20m/s to 25m/s. What is the acceleration of the car? A) 1.8m/s$^{2}$. B) 4.9m/s$^{2}$. C) 6.4m/s$^{2}$. D) 8.7m/s2. Show Answer Correct Answer: A) 1.8m/s$^{2}$. 47. What is the time required for a cart traveling at 12 m/s to travel 116 m? A) Depends on the mass of the cart. B) 0.167 s. C) 9.667 s. D) 6 s. Show Answer Correct Answer: C) 9.667 s. 48. 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) 455 m. B) 55 m. C) 0 m. D) -35 m. Show Answer Correct Answer: D) -35 m. 49. 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) 360 km. B) 3.6 km. C) 2.5 km. D) 810 km. Show Answer Correct Answer: D) 810 km. 50. Distance over Time is the definition of ..... A) Velocity. B) Acceleration. C) Direction. D) Speed. Show Answer Correct Answer: D) Speed. 51. 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. 52. The standard acceleration due to gravity (or standard acceleration of free fall), is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as: A) 9.8 s. B) 9.8 m. C) 9.8 m/s$^{2}$. D) 9.8 m/s. Show Answer Correct Answer: C) 9.8 m/s$^{2}$. 53. A projectile is fired vertically upward at an initial velocity of +32 m/s. How high will it rise and how long will it take the projectile to reach that height? A) 10 m; 1 sec. B) 490 m; 10 sec. C) 93 m; 9.5 sec. D) 52.2 m; 3.3 sec. E) 1.6 m; 6.67 sec. Show Answer Correct Answer: D) 52.2 m; 3.3 sec. 54. The overall change in position is know as ..... A) Distance. B) Displacement. C) All the above. D) None of the above. Show Answer Correct Answer: B) Displacement. 55. What is displacement? A) Acceleration of an object. B) Distance from a fixed point in a particular direction. C) Speed of an object. D) Time taken to travel a distance. Show Answer Correct Answer: B) Distance from a fixed point in a particular direction. 56. Connor, a long-distance runner, begins at the starting line and completes 4 laps on a 400 m track. What is the total distance and displacement of Brendon when they cross the finish line after the 4th lap? A) Distance 1600 m | Displacement 0 m. B) Distance 0 m | Displacement 1600 m. C) Distance 400 m | Displacement 1200 m. D) Distance 800 m | Displacement 800 m. Show Answer Correct Answer: A) Distance 1600 m | Displacement 0 m. 57. What is the SI unit of distance? A) M. B) S. C) Kg. D) N. Show Answer Correct Answer: A) M. 58. Acceleration only takes place when things speed up. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 59. A solid cylinder rotates with constant angular acceleration about a fixed axis. The cylinder's moment of inertia (I) about the axis is 5.0 kg-m$^{2}$ . At time t = 0 s, the cylinder is at rest. At time, t = 2.0 s, its angular velocity is 1.0 rad/s. Q; What is the rotational kinetic energy of the cylinder at t = 2 s? A) 5.0 J. B) It cannot be determined without the radius. C) 2.5 J. D) 2.0 J. Show Answer Correct Answer: C) 2.5 J. 60. In each of the following cases, determine where the car has no acceleration? A) A car approaching a red light. B) A car shortly after a stoplight turns green. C) A car with the cruise control set at 80 km/h. D) A car turning a curve at a constant speed. Show Answer Correct Answer: C) A car with the cruise control set at 80 km/h. ← 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 8Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books