This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part I > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An object is dropped from a bridge and time to drop is measured. Calculate the height of the bridge.Which equation is best? A) $v=u+at$. B) $v^2=u^2+2as$. C) $s=ut+\frac{1}{2}at^2$. D) $s=\frac{1}{2}\left(u+v\right)t$. Show Answer Correct Answer: C) $s=ut+\frac{1}{2}at^2$. 2. A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s$^{2}$. What is its angular speed at the instant it goes through an angular displacement of 4.2 rad? A) 1.2 rad/s. B) 0.025 rad/s. C) 0.11 rad/s. D) 0.46 rad/s. Show Answer Correct Answer: D) 0.46 rad/s. 3. How do you choose the correct kinematic equation? A) Always go with lil pup cause it's the littlest and easiest. B) Ask the sorting hat. C) Google. D) Choose equation that has only 1 of your unknown variables. Show Answer Correct Answer: D) Choose equation that has only 1 of your unknown variables. 4. A train travels 8 meters in the first second of travel, 8 meters again during the second second of travel, and 8 meters again during the third second. Its acceleration is A) 16 m/s$^{2}$. B) 0 m/s$^{2}$. C) 8 m/s$^{2}$. D) M/s$^{2}$. Show Answer Correct Answer: B) 0 m/s$^{2}$. 5. A quantity that is has magnitude and 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: A) Vector quantity. 6. Explain the significance of Galileo's Law in physics. A) Galileo's Law only applies to objects in a vacuum. B) Galileo's Law states that objects fall at different rates based on their shape. C) Galileo's Law states that objects fall faster based on their mass. D) Galileo's Law states that all objects fall at the same rate regardless of their mass, assuming no air resistance. Show Answer Correct Answer: D) Galileo's Law states that all objects fall at the same rate regardless of their mass, assuming no air resistance. 7. Identify the following quantities as scalar or vector:* the mass of an object* the no. of leaves on a tree * wind velocity A) Vector, scalar, vector. B) Scalar, vector, vector. C) Scalar, scalar, vector. D) Vector, scalar. scalar. Show Answer Correct Answer: C) Scalar, scalar, vector. 8. To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the time is 2.3 s, what is the height of the bridge? A) 32 m. B) 14 m. C) 26 m. D) 10 m. Show Answer Correct Answer: C) 26 m. 9. A velocity-time graph shows a line with a constant positive slope. What does this indicate about the object's motion? A) Decreasing acceleration. B) Constant acceleration. C) Constant velocity. D) Increasing acceleration. Show Answer Correct Answer: B) Constant acceleration. 10. A scalar is a magnitude ..... A) With direction. B) Without direction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Without direction. 11. A 41-kg girl and a 39-kg boy are sitting on a seesaw in equilibrium. If the boy is sitting 0.6 m from the fulcrum, where is the girl sitting? A) 0.7 m. B) 1.01 m. C) 0.57 m. D) Not enough information. E) 0.62 m. Show Answer Correct Answer: C) 0.57 m. 12. Which Branch of Physics is most important when studying the motion of everyday objects like a car or bowling ball? A) Optics. B) Thermodynamics. C) Electromagnetism. D) Mechanics. Show Answer Correct Answer: D) Mechanics. 13. What will be on the y-axis of a position-time graph? A) Time. B) Position. C) Velocity. D) Speed. Show Answer Correct Answer: B) Position. 14. A ball rolls off a building and hits the ground 256 meters away 57 seconds later. What is the initial velocity of the ball? A) 2.98m/s. B) 4.49m/s. C) 7m/s. D) -4.49m/s. Show Answer Correct Answer: B) 4.49m/s. 15. Two motorcycles are riding around a circular track at the same angular velocity. One motorcycle is at a radius of 15 m; and the second is at a radius of 18 m. What is the ratio of their linear speeds, v$_{2}$/v$_{1}$? A) 0.83. B) 1.4. C) 1.2. D) 0.71. E) 1.0. Show Answer Correct Answer: C) 1.2. 16. A llama starting from rest accelerates uniformly at 5 m/s$^{2 }$for 2.6 seconds. What is thellama's final speed in m/s after the acceleration? A) 0.52 m/s. B) 2.4 m/s. C) 3.61 m/s. D) 13 m/s. Show Answer Correct Answer: D) 13 m/s. 17. Acceleration unit A) M/s$^{2}$. B) Feet/s$^{2}$. C) Cm/s$^{2}$. D) Km/hr/s. Show Answer Correct Answer: A) M/s$^{2}$. 18. It took 3.5 hours for a train to travel the distance between two cities at a velocity of 120 miles/hr. How many miles lie between the two cities? A) 120 miles. B) 420 miles. C) 34 miles. D) 360 miles. Show Answer Correct Answer: B) 420 miles. 19. The Road Runner steps off a ledge and drops to the ground in 0.50 seconds. What is the Road Runner's velocity the instant he hits the ground? A) 4.9m/s. B) 3.5m/s. C) 1.8m/s. D) 6.4m/s. Show Answer Correct Answer: A) 4.9m/s. 20. Which would hit the ground first if dropped from the same height in a vacuum-a feather or a metal bolt? A) The metal bolt. B) They would hit the ground at the same time. C) The feather. D) They would be suspended (floating) in a vacuum. Show Answer Correct Answer: B) They would hit the ground at the same time. 21. As a marathon runner is running up a hill, her velocity decreases from 6 m/s to 4 m/s for a duration of 10 seconds. What was her acceleration? A) 0.2 m/s2. B) 1 m/s2. C) -1 m/s2. D) -0.2 m/s2. Show Answer Correct Answer: D) -0.2 m/s2. 22. Ray runs 30 feet north, 30 feet west, and then 30 feet south. What is the distance? A) 90 feet. B) 60 feet. C) 0 feet. D) 30 feet. Show Answer Correct Answer: A) 90 feet. 23. A soccer ball is kicked at an angle of 40 degrees from the horizontal with an initial speed of 10 m/s. Find the initial horizontal velocity of the soccer ball. A) 7.7 m/s. B) 40 m/s. C) 10 m/s. D) 6.4 m/s. Show Answer Correct Answer: A) 7.7 m/s. 24. Suppose you are given a position versus time graph. The slope of this graph describes what quantity? A) Displacement. B) Acceleration. C) Velocity. D) Position. Show Answer Correct Answer: C) Velocity. 25. Approximately how far can an object fall in 5 seconds? A) 25 m. B) 5 m. C) 50 m. D) 125 m. Show Answer Correct Answer: C) 50 m. 26. What is the nature of the slope of the acceleration-time graph in non-uniform motion? A) Increasing. B) Decreasing. C) Positive. D) Negative. Show Answer Correct Answer: B) Decreasing. 27. Which has greater angular speed, a horse near the outside rail of a merry-go-round or a horse near the inside rail? A) The inside horse. B) The outside horse. C) Neither-they both have the same angular speed. D) None of the above. Show Answer Correct Answer: C) Neither-they both have the same angular speed. 28. Beau throws a baseball at 23.0 m/s at an angle of 25.0 degrees relative to the ground.If the ball was caught 42.0 m from Beau, the maximum height the ball reached A) 2.81 m. B) 12.81 m. C) 4.81 m. D) 8.81 m. Show Answer Correct Answer: C) 4.81 m. 29. A ball is thrown horizontally with an initial velocity of 20m/s from the top of a tower 60m high. What is the horizontal velocity of the ball just before it reaches the ground? A) 68.6m/s. B) 20m/s. C) 34.3m/s. D) 9.81m/s. Show Answer Correct Answer: B) 20m/s. 30. In each of the following cases, determine which car has the greatest acceleration. A) Starts from 0 m/s to 20m/s in 5 seconds. B) Speed up from 20m/s to 40m/s in 3 seconds. C) Slow down from 50m/s to stop in 2 seconds. D) Starts from 0 m/s to 20 m/s in 4 seconds. Show Answer Correct Answer: B) Speed up from 20m/s to 40m/s in 3 seconds. 31. A rock is dropped off a cliff and strikes the ground with an impact velocity of 30 m/s. How high was the cliff? A) 20m. B) 30m. C) 60m. D) 45m. Show Answer Correct Answer: D) 45m. 32. A spool of thread has an average radius of 1.00 cm. If the spool contains 62.8 m of thread, how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads on lower layers. A) 100. B) 1000. C) 3140. D) 62800. Show Answer Correct Answer: B) 1000. 33. If the translational velocity of an object is 3 m/s, and is located a distance of 2 m from the axis of rotation, what is the object's angular velocity? A) 6 rad/s. B) 0.67 rad/s. C) 1.5 rad/s. D) 5 rad/s. Show Answer Correct Answer: C) 1.5 rad/s. 34. If a car maintains a velocity of 15 m/s for 60 seconds, then how far did the car travel? A) 0.25 meters. B) 4 meters. C) 300 meters. D) 900 meters. Show Answer Correct Answer: D) 900 meters. 35. True or False:Objects moving in a straight line may have angular momentum. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 36. The Richmond County sheriff is trying to determine the speed of a car that slid off a 5 m bridge on a rainy night and landed in a ditch. The tire tracks show that the car landed 12.0 m horizontally from the bridge. How fast was the car going when it left the road? A) 43.2 m/s. B) 11.9 m/s. C) 9. 53 m/s. D) 65.7 m/s. Show Answer Correct Answer: B) 11.9 m/s. 37. A car is moving with a constant velocity of 20 m/s. What can you say about its acceleration? A) The acceleration is negative. B) The acceleration is zero. C) The acceleration cannot be determined. D) The acceleration is positive. Show Answer Correct Answer: B) The acceleration is zero. 38. A 0.30m radius automobile tire rotates how many radians after starting from rest and accelerating at a constant 2.0 rad/s$^{2}$ over a 5.0 s interval? A) 0.5 rad. B) 25 rad. C) 2 rad. D) 12.5 rad. Show Answer Correct Answer: B) 25 rad. 39. Which of the following is an example of a vector quantity? A) Temperature. B) Mass. C) Velocity. D) Volume. Show Answer Correct Answer: C) Velocity. 40. A student launches projectiles with the same velocity but at different angles (0-90$^\circ$) relative to the ground. He measures the range of each projectile. Which angle pairs have the same range? A) 10$^\circ$ and 20$^\circ$. B) 30$^\circ$ and 45$^\circ$. C) 30$^\circ$ and 60$^\circ$. D) 45$^\circ$ and 60$^\circ$. E) 10$^\circ$ and 90$^\circ$. Show Answer Correct Answer: C) 30$^\circ$ and 60$^\circ$. 41. A gyroscope is spinning with an angular velocity of $\omega = 8\, \text{rad/s}$ A) It doubles. B) It remains the same. C) It quadruples. D) It halves. Show Answer Correct Answer: D) It halves. 42. An object moves from P to Q in 10 s with uniform acceleration. velocity at P = 5 m / svelocity at Q = 12 m / sWhat is the acceleration? A) 1.2 m / s2. B) 1.7 m / s2. C) 0.5 m / s2. D) 0.7 m / s2. Show Answer Correct Answer: D) 0.7 m / s2. 43. If a 10kg ball and a 200kg crate were dropped from the top of a building, the acceleration of the crate would be ..... the acceleration of the ball. A) Equal to. B) Less than. C) Greater than. D) First less than, then greater than. Show Answer Correct Answer: A) Equal to. 44. A car is going 50m/s and accelerates to pass a truck. Five seconds later the car is going 80m/s. Calculate the acceleration of the car A) 10. B) 500. C) 6. D) 16. Show Answer Correct Answer: C) 6. 45. Bergen drops a pumpkin from the school roof to demonstrate the acceleration due to gravity. The pumpkin drops for 4 seconds before splatting on the ground. What was the pumpkin's final velocity? (use our class rule for acceleration due to gravity) A) 10 m/s down. B) 40 m/s up. C) 40 m/s down. D) 10 m/s up. Show Answer Correct Answer: C) 40 m/s down. 46. Which statement about displacement and distance is true? A) Displacement is always greater than distance. B) Distance can be equal or less than displacement. C) Distance is always greater than displacement. D) Displacement can be equal or less than distance. Show Answer Correct Answer: D) Displacement can be equal or less than distance. 47. A dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds. What is the dog's displacement? A) 0 m. B) 7.5 m. C) 37.5 m. D) 18.8 m. Show Answer Correct Answer: D) 18.8 m. 48. According to convention, counter-clockwise is always considered the ..... direction when rotating. A) Positive. B) Negative. C) Zero. D) None of the above. Show Answer Correct Answer: A) Positive. 49. Which of the following is an example of a velocity? A) 35 meters East. B) 40 mph West. C) 12 m/s$^{2}$. D) 22 m/s. Show Answer Correct Answer: B) 40 mph West. 50. An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s$^{2}$. The takeoff speed for this plane will be 65 m/s. All airplanes will start from rest. Assuming this minimum acceleration, what is the minimum allowed length for the runway? A) D=v$_{o}$t+1/2at$^{2}$. B) D=1/2(v+v$_{o}$)t. C) V=v$_{o}$+at. D) V$^{2}$=v$_{o}$$^{2}$+2ad. Show Answer Correct Answer: D) V$^{2}$=v$_{o}$$^{2}$+2ad. 51. A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from? A) 2 seconds. B) 8 seconds. C) 6 seconds. D) 4 seconds. Show Answer Correct Answer: B) 8 seconds. 52. If a figure skater pulls in her arms during a spin, what happens to her angular velocity? A) It decreases. B) It becomes zero. C) It remains the same. D) It increases. Show Answer Correct Answer: D) It increases. 53. A cat is chasing after a mouse. How long will it take for it to have a final velocity of 6m/s if we assume the initial velocity was 0 m/s and the acceleration is 0.738 m/s2? A) 8.13 seconds. B) 4.428 seconds. C) 6.738 seconds. D) 5.262 seconds. Show Answer Correct Answer: A) 8.13 seconds. 54. A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii. If the three of them are released simultaneously at the top of an inclined plane and do not slip, which one will reach the bottom first? A) Cylinder. B) Pipe. C) Sphere. D) They all reach the bottom at the same time. Show Answer Correct Answer: C) Sphere. 55. Two bugs ride a turntable which is rotating at a constant rate of 4 rad/s. Bug A is at a radius of 4 cm, while bug B is at a radius of 8 cm. Which of the following is true? A) Bug A has a greater speed. B) Bug A has a greater rotational speed. C) Bug B has a greater rotational speed. D) Bug B has a greater speed. Show Answer Correct Answer: D) Bug B has a greater speed. 56. The unit we use to measure acceleration is ..... A) Meters / second / second. B) Seconds. C) Meters / second. D) Meters. Show Answer Correct Answer: A) Meters / second / second. 57. Sue runs 400 m to Andy's house, turns around, and runs 400 m back home. What was Sue's displacement? A) 0 m. B) 400 m. C) 800 m. D) 1600 m. Show Answer Correct Answer: A) 0 m. 58. An object with an initial velocity of 15 m/s experiences a constant acceleration for 3 seconds until it reaches 45 m/s. What is the object's acceleration during this time? A) 10 m/s$^{2}$. B) -10 m/s$^{2}$. C) 42 m/s$^{2}$. D) 30 m/s$^{2}$. Show Answer Correct Answer: A) 10 m/s$^{2}$. 59. A car is traveling at an unknown velocity. It accelerates constantly over 5.0 seconds at a rate of 3.0 m/s2 to reach a velocity of 30 m/s. What was the original velocity of the car? A) 10 m/s. B) 5.0 m/s. C) 20 m/s. D) 15 m/s. E) 1.0 m/s. Show Answer Correct Answer: D) 15 m/s. 60. The science concerned with describing the interactions of energy, matter, space, and time; it is especially interested in what fundamental mechanisms underlie every phenomenon A) Mathematics. B) Chemistry. C) Biology. D) Physics. Show Answer Correct Answer: D) Physics. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books