This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 2 Kinematics – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. For a rotating rigid body, which of the following statements is NOT correct? A) All points along a rotating rigid body move with constant speed. B) Points along a rotating body have velocities that continuously change directions. C) Points along a rotating body move through the same angle in equal time intervals. D) All of the answers are correct. Show Answer Correct Answer: A) All points along a rotating rigid body move with constant speed. 2. Which has more rotational inertia? (consider all objects have equal radius) A) Hollow sphere. B) Solid sphere. C) Cylindrical shell. D) Solid cylinder. Show Answer Correct Answer: C) Cylindrical shell. 3. The Earth pulls downward on a pingpong ball with a force of 1N. If this is the "action" force, what is the "reaction" force? A) The ground exerts a force of 1N on the ping pong ball. B) The ping pong ball exerts a force of 1 N on the Earth. C) The ping pong ball pushes down on the earth with a force of 1N. D) The is no reaction force when a gravitational force is involved. Show Answer Correct Answer: B) The ping pong ball exerts a force of 1 N on the Earth. 4. An object starts from rest. What is it's initial velocity? A) 0 m/s. B) 9.8 m/s. C) You cannot tell unless you have more information. D) None of the above. Show Answer Correct Answer: A) 0 m/s. 5. A figure skater pulls in her arms and spins faster. What principle explains this change in speed? A) Conservation of angular momentum. B) Conservation of energy. C) Conservation of mass. D) Conservation of linear momentum. Show Answer Correct Answer: A) Conservation of angular momentum. 6. A ball rolls off a building and hits the ground 256 meters away 57 seconds later. What is the height of the building? A) -16, 245m. B) 300m. C) 17, 000m. D) 16, 245m. Show Answer Correct Answer: D) 16, 245m. 7. Motion is a change in ..... A) Time. B) Speed. C) Velocity. D) Position. Show Answer Correct Answer: D) Position. 8. ..... is a vector and is how far away an object is from its starting point. A) Distance. B) Displacement. C) Velocity. D) Acceleration. Show Answer Correct Answer: B) Displacement. 9. If a body is falling freely the the acceleration due to gravity is taken as A) Equal. B) Positive. C) Negative. D) Infinite. Show Answer Correct Answer: B) Positive. 10. Seconds is the unit for which physics concept? A) Acceleration. B) Time. C) Final velocity. D) Distance. E) Initial velocity. Show Answer Correct Answer: B) Time. 11. A tiger travels 50 meters north, 35 meters east, and then 10 more meters north. What is the tigers displacement? A) 61.5 meters. B) 69.5 meters. C) 68.5 meters. D) 62.5 meters. E) 65.5 meters. Show Answer Correct Answer: B) 69.5 meters. 12. The straight-line distance between two fixed points is referred to as ..... A) Displacement. B) Distance. C) Speed. D) Velocity. Show Answer Correct Answer: A) Displacement. 13. A ball is thrown into the air at some angle, with initial velocities v$_{x}$ (horizontal) and v$_{y }$(vertical). At the very top of the ball's path:What is its velocity in the horizontal direction? A) V$_{x}$. B) Greater than v$_{x}$. C) Zero. D) None of the above. Show Answer Correct Answer: A) V$_{x}$. 14. Which of the following is an example of uniform acceleration? A) A car slowing down at a constant rate. B) A car moving with a constant speed. C) A car moving in a circular path. D) A car moving with a changing speed. Show Answer Correct Answer: D) A car moving with a changing speed. 15. 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, find the time the ball was in the air A) 0.991 seconds. B) 1.52 seconds. C) 1.98 seconds. D) 2.05 seconds. Show Answer Correct Answer: C) 1.98 seconds. 16. A body falls freely from height "h" after 2 seconds if acceleration due to gravity is reversed the body A) Continuously to fall down. B) Falls down with retardation and goes up. C) Falls down with uniform velocity. D) Raises up with acceleration. Show Answer Correct Answer: B) Falls down with retardation and goes up. 17. A kangaroo is capable of jumping to a height of 2.42 m. What is its takeoff speed? A) 6.36 m/s. B) 6.88 m/s. C) 4.69 m/s. D) 8.37 m/s. Show Answer Correct Answer: B) 6.88 m/s. 18. How many seconds does it take to travel 800 cm at a speed of 25 cm/s? A) 32 s. B) 20, 000 s. C) 0.03 s. D) 25 s. Show Answer Correct Answer: A) 32 s. 19. A force in a circular direction A) Reciprocating. B) Torque. C) Speed. D) Oscillating. Show Answer Correct Answer: B) Torque. 20. In a test of car bumpers a car, a car moving at 7.0m/s collides head-on with a wall. From what height would a car have to be dropped in order to collide with the ground at the same velocity? A) 1.2m. B) 2.5m. C) 4.9m. D) 6.6m. Show Answer Correct Answer: B) 2.5m. 21. If the acceleration vector of an object is directed anti-parallel to the velocity vector, A) The object is turning. B) The object is speeding up. C) The object is slowing down. D) The object is not moving. Show Answer Correct Answer: C) The object is slowing down. 22. A hockey puck is traveling in the positive x direction and gets hit with a hockey stick such that it now travels only in the y direction. This is an example of ..... A) Velocity. B) Displacement. C) Acceleration. D) Projectile motion. Show Answer Correct Answer: C) Acceleration. 23. Which is the correct formula for finding acceleration a = A) V / cos x. B) = $\Delta$v / t. C) $\Delta$v / d. D) T / $\Delta$v. Show Answer Correct Answer: B) = $\Delta$v / t. 24. Ryan runs along the inside lane of a 400 m oval track exactly 4 times in 5.5 minutes. What is the magnitude Ryan's velocity? A) 0 m/s. B) 0.21 m/s. C) 0.73 m/s. D) 4.85 m/s. E) 290.91 m/s. Show Answer Correct Answer: A) 0 m/s. 25. Which of the following is the best format for writing a hypothesis: A) Educated Guess. B) Well you see here:. C) The reason for this is:. D) If (Cause) Then (Effect) Because (Rationale). Show Answer Correct Answer: D) If (Cause) Then (Effect) Because (Rationale). ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 2 Kinematics Quiz 1Class 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 10Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books