This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Rizzo pulls 20 N to the right, Bryant pulls 25 N to the right. What is the net force? A) 45 N. B) 45 N left. C) 45 N right. D) 5 N. Show Answer Correct Answer: C) 45 N right. 2. Symbols A) Displacement. B) Time. C) Initial velocity. D) Final velocity. E) Acceleration. Show Answer Correct Answer: A) Displacement. 3. What will be the slope of a position-time graph? A) Position. B) Time. C) Velocity. D) Speed. Show Answer Correct Answer: C) Velocity. 4. An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/s$^{2}$. To determine the depth of the crater, she drops a rock and measures the time it takes for it to hit the bottom. If the depth of the crater is 120 m, how long does it take for the rock to fall? A) 3.04 s. B) 12.2 s. C) 29.3 s. D) 32.1 s. Show Answer Correct Answer: B) 12.2 s. 5. What quantity can be described by magnitude only A) Scalar. B) Vector. C) Motion. D) Size. Show Answer Correct Answer: A) Scalar. 6. What is the equation for acceleration? A) (V-U) * t. B) (V + U) * t. C) (V + U) / t. D) (V-U) / t. Show Answer Correct Answer: D) (V-U) / t. 7. A golf ball starts with a speed of 2 m/s and slows at a constant rate of 0.5 m/s$^{2}$, what is its velocity after 2 s? A) 0 m/s. B) 0.5 m/s. C) 1 m/s. D) 1.5 m/s. Show Answer Correct Answer: C) 1 m/s. 8. A gear in a machine accelerates at 11.2 rad/s$^{2}$ . If the wheel's initial angular speed is 5.40 rad/s, what is the wheel's angular speed after exactly three full turns? A) 21.25 rad/s. B) 96.36 rad/s. C) 451.39 rad/s. D) 185 rad/s. Show Answer Correct Answer: A) 21.25 rad/s. 9. Given a position vs. time graph, the slope of the line is equal to ..... A) Position. B) Velocity. C) Acceleration. D) Area. Show Answer Correct Answer: B) Velocity. 10. The change in arc length is considered ..... if the rotation is in the counter-clockwise direction, and ..... if the rotation is in the clockwise direction A) Positive, negative. B) Negative, positive. C) Negative, negative. D) Positive, positive. Show Answer Correct Answer: A) Positive, negative. 11. A solid disk and a hollow ring, both with the same mass and radius, are released from the top of an inclined plane. Which one reaches the bottom first? A) The solid disk. B) The hollow ring. C) Both reach at the same time. D) Cannot be determined. Show Answer Correct Answer: A) The solid disk. 12. A gear spins at a rate of 400 revolutions/minute. Which choice is closest to its angular speed in radians/second? A) 6.67 rad/s. B) 2500 rad/s. C) 41.9 rad/s. D) 20.9 rad/s. Show Answer Correct Answer: C) 41.9 rad/s. 13. If your velocity is 0 m/s that must mean that your acceleration is also 0 m/s$^{2}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. A radian is all of the following EXCEPT A) A dimensionless quantity. B) The ratio of arc length over radius. C) The same as degrees. D) The unit for rotational position. Show Answer Correct Answer: C) The same as degrees. 15. If net force causes a change in velocity, then a net torque causes a ..... A) Change in angular velocity. B) Change in angular position. C) Change in position. D) Change in linear momentum. Show Answer Correct Answer: A) Change in angular velocity. 16. Which would fall with greater acceleration in a vacuum-a feather or a hammer? A) Feather. B) Hammer. C) They accelerate at the same rate. D) Is the vacuum turned on?. Show Answer Correct Answer: C) They accelerate at the same rate. 17. The change in velocity in a given time period is? A) Initial velocity. B) Final velocity. C) Acceleration. D) Displacement. Show Answer Correct Answer: C) Acceleration. 18. Motion in the x direction affects the motion in the y direction A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. A testable explanation to a problem that has not yet been tested. A) Data. B) Theory. C) Hypothesis. D) Fact. Show Answer Correct Answer: C) Hypothesis. 20. Three coplanar forces of 5 N, 6 N and 7 N act on an object. Which force could not be the resultant of these three forces? A) 0 N. B) 11 N. C) 13 N. D) 19 N. Show Answer Correct Answer: D) 19 N. 21. An object free falls for 3.5 seconds. How far does it fall? A) 120.05 m. B) 60.03 m. C) 17.15 m. D) 34, 3 m. Show Answer Correct Answer: B) 60.03 m. 22. What is the vertical component of the velocity of a projectile launched at an angle of 60$^\circ$ with an initial speed of 30 m/s? A) 15 m/s. B) 25.98 m/s. C) 30 m/s. D) 20 m/s. Show Answer Correct Answer: B) 25.98 m/s. 23. A ball which is dropped from the top of a building strikes the ground with a speed of 30 m/s. Assume air resistance can be ignored. The height of the building is approximately: A) 15 m. B) 30 m. C) 45 m. D) 75 m. Show Answer Correct Answer: C) 45 m. 24. A horizontal line on a velocity/time graph shows ..... acceleration. A) Positive. B) Negative. C) Changing. D) Zero. Show Answer Correct Answer: D) Zero. 25. What is the exact location of an object in reference to another object? A) Postion. B) Distance. C) Displacement. D) Velocity. Show Answer Correct Answer: A) Postion. ← 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 10Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books