This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part I > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A dog runs on the sidewalk 9 mi/hr. A) Speed. B) Acceleration. C) Velocity. D) None of the above. Show Answer Correct Answer: A) Speed. 2. Which vehicle has an acceleration of 5 m / s2? A) A motorbike, when its speed changes from rest to 50 m / s in 10 s. B) A lorry, when its speed changes from rest to 20 m / s in 15 s. C) Which vehicle has an acceleration of 5 m / s2?. D) A car, when its speed changes from rest to 15 m / s in 5 s. Show Answer Correct Answer: A) A motorbike, when its speed changes from rest to 50 m / s in 10 s. 3. Gradient of a x-t graph A) Speed. B) Acceleration. C) Distance. D) Displacement. E) Velocity. Show Answer Correct Answer: E) Velocity. 4. A ball is thrown horizontally from a height of 20 meters with an initial speed of 15 m/s. How long will it take for the ball to hit the ground? A) 3.0 s. B) 1.5 s. C) 2.5 s. D) 2.0 s. Show Answer Correct Answer: D) 2.0 s. 5. A car travels 100 meters in 4 seconds. What is its average speed? A) 20 m/s. B) 35 m/s. C) 30 m/s. D) 25 m/s. Show Answer Correct Answer: D) 25 m/s. 6. A boy drops a stone from a cliff and counts the seconds until the stone hits the base. He counts 3 s. About how high is the cliff? A) 45 m. B) 10 m. C) 3 m. D) 90 m. E) 15 m. Show Answer Correct Answer: A) 45 m. 7. Which is NOT a step in the scientific method? A) Form a theory. B) Form a hypothesis. C) Collect data. D) Make observation. Show Answer Correct Answer: A) Form a theory. 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 SPEED for the run? A) 6.25 m/s. B) 0.16 m/s. C) 2.71 m/s. D) 1300 m/s. Show Answer Correct Answer: A) 6.25 m/s. 9. 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 200 m? A) 12.0 s. B) 15.5 s. C) 10.5 s. D) 9.0 s. Show Answer Correct Answer: D) 9.0 s. 10. What does this symbol mean:$\Delta$ A) Product. B) Exponent. C) Take the slope. D) Change in. Show Answer Correct Answer: D) Change in. 11. An airplane accelerates down a runway from rest at 3.20 m/s$^{2}$ for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.Which equation is appropriate? A) Vf=vi+a*t. B) X=((vf+vi)/2)t. C) X=vi*t+1/2at$^{2}$. D) Vf$^{2}$=vi$^{2}$+2aX. Show Answer Correct Answer: C) X=vi*t+1/2at$^{2}$. 12. Branches of physics that studies the heat and other forms of energy, and conversion of energy from one form to another A) Plasma Physics. B) Quantum Physics. C) Atomic and Nuclear Physics. D) Thermodynamics. Show Answer Correct Answer: D) Thermodynamics. 13. Are quantities that are fully described by both a magnitude and a direction. A) Distance. B) Vector. C) Displacement. D) Scalar. Show Answer Correct Answer: B) Vector. 14. The position of a moose with respect to time is given by the function shown. At which time below is the speed of the moose increasing? $x\left(t\right)=-2t^2+8t+1$ A) T = 2 s. B) T = 3 s. C) The speed is of the moose never increases. D) T = 1 s. Show Answer Correct Answer: B) T = 3 s. 15. The rate at which an object changes its position A) Average Speed. B) Instantaneous Speed. C) Speed. D) Velocity. Show Answer Correct Answer: D) Velocity. 16. On Planet X gravity is 8 m/s/s. You throw a rock upward at 40 m/s. What is its velocity 4 seconds later? (Show Work #6) A) 8 m/s, rising. B) 8 m/s, falling. C) 5 m/s, rising. D) 5 m/s, falling. E) 0 m/s, at highest point. Show Answer Correct Answer: A) 8 m/s, rising. 17. An astronaut travels at a speed of 400 m/s for 250 seconds, what is the total distance he traveled? A) 100, 000 m. B) 650 m. C) 1.6 m. D) 0.625 m. Show Answer Correct Answer: A) 100, 000 m. 18. If you increase the force on an object, its acceleration A) Stops. B) Also increases. C) Stays the same. D) Decreases. Show Answer Correct Answer: B) Also increases. 19. Which of the following correctly describes what happens during a free fall? A) Kinetic energy is converted to potential energy. B) Velocity is constant. C) Acceleration is constant. D) Acceleration increases with the fall. Show Answer Correct Answer: C) Acceleration is constant. 20. Simplified description that contains only those elements necessary to describe the physics of a physical situation A) Scientific. B) Model. C) Theory. D) Law. Show Answer Correct Answer: B) Model. 21. A rock slides across an ice covered lake for a fixed distance. Starting speed, finishing speed and time taken are measured.Which equation is best? A) $v=u+at$. B) $s=\frac{1}{2}\left(u+v\right)t$. C) $v^2=u^2+2as$. D) $s=ut+\frac{1}{2}at^2$. Show Answer Correct Answer: B) $s=\frac{1}{2}\left(u+v\right)t$. 22. An object is kicked at an angle with a velocity of 40 m/s. The initial horizontal velocity component is 25 m/s. What is the time it takes to reach the top of its arc?Solve the problem. A) 5.79 s. B) 4.08 s. C) 1.6 s. D) 3.19 s. E) 2.55 s. Show Answer Correct Answer: D) 3.19 s. 23. An object is falling under gravity with terminal velocity. What is happening to its speed? A) It is decreasing to a lower value. B) It is increasing. C) It is decreasing to zero. D) It is staying constant. Show Answer Correct Answer: D) It is staying constant. 24. An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees. Which is in the air for longer? (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. 25. A car traveling at a speed of 20.0 m/s increases its speed to 30.0 m/s in 5.0 seconds. What is the acceleration of the car? A) 0.5 m/s/s. B) 2 m/s/s. C) -0.5 m/s/s. D) -2 m/s/s. Show Answer Correct Answer: B) 2 m/s/s. 26. A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be A) Less than the speed it had when thrown upwards. B) More than the speed it had when thrown upwards. C) The same as the speed it had when thrown upwards. D) None of the above. Show Answer Correct Answer: C) The same as the speed it had when thrown upwards. 27. A pumpkin is dropped from a 35 m building. What is its initial velocity (v$_{i}$)? A) 35 m. B) 0 m/s. C) All the above. D) None of the above. Show Answer Correct Answer: B) 0 m/s. 28. Which is not a scalar quantity? A) Speed. B) Velocity. C) Time. D) Temperature. Show Answer Correct Answer: B) Velocity. 29. Which of the following quantities is conserved in an isolated system undergoing rotational motion? A) Angular velocity. B) Angular momentum. C) Angular acceleration. D) Torque. Show Answer Correct Answer: B) Angular momentum. 30. You are standing 10 meters from your friend playing catch. If you throw the ball in such a way that it ends up taking 2.3s to reach your friend. Your friend is also conveniently catching the ball at the same height in which you threw it from. What is the initial velocity in the x direction, v$_{x0}$? A) 5.01m/s. B) 0.23m/s. C) 11.27m/s. D) 4.35m/s. Show Answer Correct Answer: D) 4.35m/s. 31. Compute the average angular acceleration and the angular displacement during the 5 seconds a rotating object speeds up from 0.25 rad/s to 0.85 rad/s. A) Accel = 0.12 rad/s$^{2}$; displ = 2.75 radians. B) Accel = 0.35 rad/s$^{2}$; displ = 0.15 radians. C) Accel = 0.12 rad/s$^{2}$; displ = 0.5 radians. D) Accel = 0.2 rad/s$^{2}$; displ = 0.5 radians. E) Accel = 0.2 rad/s$^{2}$; displ = 2.75 radians. Show Answer Correct Answer: A) Accel = 0.12 rad/s$^{2}$; displ = 2.75 radians. 32. 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 initial velocity of the skier in the above problem? A) 50 m. B) Unknown. C) 0 m/s. D) 5.0 s. Show Answer Correct Answer: C) 0 m/s. 33. A particle accelerates from rest at a uniform rate of 55 m/s$^{2}$ for a distance of 3 meters. How fast is the particle going at the 3 meter mark? A) 330 m/s. B) 34.64 m/s. C) 11.55 m/s. D) 18.17 m/s. E) 0.33 m/s. Show Answer Correct Answer: D) 18.17 m/s. 34. A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s$^{2}$. What is the time interval required for it to reach a 4.2 rad displacement after starting from rest A) 18 s. B) 1.8 s. C) 16 s. D) 2.0 s. Show Answer Correct Answer: A) 18 s. 35. What is the equation for average velocity? A) Average velocity = (initial position-final position) / (initial time-final time). B) Average velocity = (final time-initial time) / (final position-initial position). C) Average velocity = (final position + initial position) / (final time + initial time). D) Average velocity = (final position-initial position) / (final time-initial time). Show Answer Correct Answer: D) Average velocity = (final position-initial position) / (final time-initial time). 36. A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.0 m. What is the magnitude of the velocity of the puck just before it touches the ground? A) 22 m/s. B) 21 m/s. C) 24 m/s. D) 25 m/s. Show Answer Correct Answer: B) 21 m/s. 37. A car traveling at 22.4 m/s skids to a stop in 2.55 s. Determine the skidding distance of the car (assume uniform acceleration).What number represents time? A) T = 22.4m/s. B) T = 2.55s. C) T= 0m/s. D) T =?. Show Answer Correct Answer: B) T = 2.55s. 38. 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. B) F. C) F+ f. D) F-f. Show Answer Correct Answer: D) F-f. 39. 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) 90 degrees. D) 60 degrees. Show Answer Correct Answer: B) 45 degrees. 40. 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. 41. All of the given choices are example of vector quantity except one. A) Acceleration. B) Displacement. C) Speed. D) Velocity. Show Answer Correct Answer: C) Speed. 42. The speed you read on a speedometer is ..... A) Instantaneous speed. B) Constant speed. C) Velocity. D) Average speed. Show Answer Correct Answer: A) Instantaneous speed. 43. 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) 1.75 m. B) 1.54 m. C) 3.29 m. D) 2.74 m. Show Answer Correct Answer: B) 1.54 m. 44. 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) 2.16 seconds. B) 1.16 seconds. C) 1.56 seconds. D) 2.56 seconds. Show Answer Correct Answer: A) 2.16 seconds. 45. 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) 1500 m/s west. B) 0.83 m/s west. C) 1.2 m/s west. D) 200 m/s west. Show Answer Correct Answer: B) 0.83 m/s west. 46. 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) 550 m/s. C) 5.5 s. D) 5.5 m/s. Show Answer Correct Answer: C) 5.5 s. 47. The number of complete revolutions per second is: A) Torque. B) Frequency. C) Rotational inertia. D) Period. Show Answer Correct Answer: B) Frequency. 48. What is the rate at which velocity changes called? A) Acceleration. B) Momentum. C) Speed. D) Distance. Show Answer Correct Answer: A) Acceleration. 49. Which pair is correctly matched for a scalar and a vector quantity? A) Scalar:acceleration; Vector:time. B) Scalar:velocity; Vector:speed. C) Scalar:speed; Vector:velocity. D) Scalar:displacement; Vector:distance. Show Answer Correct Answer: C) Scalar:speed; Vector:velocity. 50. 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) 252 m. B) 126 m. C) 21 m. D) 42 m. Show Answer Correct Answer: C) 21 m. 51. 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. 52. 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) 0.25 s. B) 4.0 s. C) 17.0 s. D) 0.058 s. Show Answer Correct Answer: B) 4.0 s. 53. 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) 600 m. B) 300 m. C) 150 m. D) 450 m. Show Answer Correct Answer: C) 150 m. 54. 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) 34.4m. D) 19.6m. Show Answer Correct Answer: B) 40.8m. 55. Velocity differs from speed because velocity specifically includes which component? A) Coefficient of friction. B) Net force magnitude. C) Mass of the object. D) Direction of motion. Show Answer Correct Answer: D) Direction of motion. 56. 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) -44.6 m/s. B) 44.6 m/s. C) -5.4 m/s. D) 19.6 m/s. Show Answer Correct Answer: A) -44.6 m/s. 57. 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) -40 m/s. B) 100 m/s. C) -70 m/s. D) -210 m/s. Show Answer Correct Answer: A) -40 m/s. 58. A place or object used for comparison to determine if another object is in motion is called a A) Point of view. B) Motion detector. C) Reference point. D) Comparison point. Show Answer Correct Answer: C) Reference point. 59. 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 rad/s$^{2}$. B) 1.5 rad/s$^{2}$. C) -1 rad/s$^{2}$. D) -1.5 rad/s$^{2}$. Show Answer Correct Answer: C) -1 rad/s$^{2}$. 60. 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books