This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is this a scalar quantity or a vector quantity?A deer running 15 meters per second due west A) Scalar. B) Vector. C) All the above. D) None of the above. Show Answer Correct Answer: B) Vector. 2. Two objects, X and Y, accelerate from rest with the same constant acceleration. Object X accelerates for twice the time as object Y. Which of the following is true of these objects at the end of their respective periods of acceleration? A) Object X is moving four times faster than object Y. B) Object X has traveled the same distance as object Y. C) Object X has traveled twice as far as object Y. D) Object X has traveled four times as far as object Y. Show Answer Correct Answer: D) Object X has traveled four times as far as object Y. 3. Gravity affects vertical motion A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. What quantity is described by magnitude and direction A) Scalar. B) Vector. C) Motion. D) Size. Show Answer Correct Answer: B) Vector. 5. A hockey puck slides on ice at constant velocity. What is the net force acting on the puck? A) More than its weight. B) Equal to its weight. C) Less than its weight but more than zero. D) Zero. Show Answer Correct Answer: D) Zero. 6. A wheel with a radius of $0.3\, \text{m}$ $6\, \text{rad/s}$ A) $10.8\, \text{m/s}^2$. B) $3.6\, \text{m/s}^2$. C) $1.8\, \text{m/s}^2$. D) $7.2\, \text{m/s}^2$. Show Answer Correct Answer: A) $10.8\, \text{m/s}^2$. 7. An object falls on Mars, where the acceleration due to gravity is around-4 m/s/s. What is the average velocity after 12 seconds? A) -24 m/s. B) 24 m/s. C) -48m/s. D) 48 m/s. Show Answer Correct Answer: A) -24 m/s. 8. A stone is dropped from a height of 100 meters. How long does it take to reach the ground? A) 1 second. B) 2 seconds. C) 5 seconds. D) 10 seconds. Show Answer Correct Answer: B) 2 seconds. 9. What are the SI units for speed? A) M/s. B) Km/h. C) Mi/h. D) Km/s. Show Answer Correct Answer: A) M/s. 10. If air resistance is not negligible our horizontal acceleration will be 0 m/s$^{2}$. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. A car traveled 140 km in 2.5 hours. What was its average speed in km per hour? A) 0.016 Km/hr. B) 56 Km/hr. C) 140 Km/hr. D) 350 Km/hr. Show Answer Correct Answer: B) 56 Km/hr. 12. 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:(Choose upward as positive) 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. 13. A police officer finds 60 m of skid marks at the scene of a car crash. Assuming a uniform deceleration of 7.5 m/s2 to a stop, what was the velocity of the car when it started skidding? A) 20 m/s. B) 30 m/s. C) 45 m/s. D) 60 m/s. E) 90 m/s. Show Answer Correct Answer: B) 30 m/s. 14. A rotating object has an angular displacement of $\pi/2\, \text{radians}$ $2\, \text{s}$ A) $\pi/4\, \text{rad/s}$. B) $\pi/2\, \text{rad/s}$. C) $\pi\, \text{rad/s}$. D) $2\pi\, \text{rad/s}$. Show Answer Correct Answer: A) $\pi/4\, \text{rad/s}$. 15. Which of the following is impossible on a position vs. time graph? A) A horizontal line. B) A parabola. C) A vertical line. D) A cubic function. Show Answer Correct Answer: C) A vertical line. 16. If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position? A) 0s. B) 1s. C) 3s. D) 4s. Show Answer Correct Answer: D) 4s. 17. A 0.12-m-radius grinding wheel takes 5.5 s to speed up from 2.0 rad/s to 11.0 rad/s. What is the wheel's average angular acceleration? A) 9.6 rad/s$^{2}$. B) 4.8 rad/s$^{2}$. C) 3.1 rad/s$^{2}$. D) 1.6 rad/s$^{2}$. Show Answer Correct Answer: D) 1.6 rad/s$^{2}$. 18. A soccer player carries the ball for a distance of 40.0 m in the direction 42.0$^\circ$ west of south. Find the westward component of the ball's displacement. A) 26.8 m. B) 29.7 m. C) 32.2 m. D) 36.0 m. Show Answer Correct Answer: A) 26.8 m. 19. Speed and velocity are the same exact thing A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. A toy car is initially at rest and travels a straight-line distance of 16 meters in T seconds. Starting at time t = 0, the car has a uniform acceleration of 2 m/s$^{2}$ until it reaches a speed of 4 m/s. The car then continues with this velocity time t = T.What is the value of T? A) 4 s. B) 5 s. C) 8 s. D) 12 s. Show Answer Correct Answer: B) 5 s. 21. Speed in a given direction is the definition of ..... A) Speed. B) Velocity. C) Acceleration. D) Direction. Show Answer Correct Answer: B) Velocity. 22. A rocket of mass m begins to ascend vertically at v m/s. The work that gravity does on the rocket is: A) Negative. B) Zero. C) Positive. D) Undefined. Show Answer Correct Answer: A) Negative. 23. Which of the following describes how fast you are spinning or rotating about an axis? A) Linear speed. B) Angular displacement. C) Angular speed. D) Linear acceleration. Show Answer Correct Answer: C) Angular speed. 24. What is true about projectile motion A) Horizontal and vertical speeds are the same. B) Horizontal and vertical speeds depend on each other. C) Horizontal and vertical speeds are independent of each other. D) None of the above. Show Answer Correct Answer: C) Horizontal and vertical speeds are independent of each other. 25. If a volleyball had an initial x-velocity of 12 m/s and a final y-velocity of 11.5 m/s then what was the angle of impact of the volleyball? A) 55 degrees. B) 16 degrees. C) 44 degrees. D) 31 degrees. Show Answer Correct Answer: C) 44 degrees. ← 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