Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 30 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A unit of acceleration is meters per second.
2. True or False:Angular momentum is always conserved for orbiting objects if the external torque is zero.
3. V$_{i}$
4. A 1, 819-kg car is traveling at 18 m/s and stops moving over a 7-s period. What is the magnitude of the average breaking force?
5. A man moves 30m north. then he moves 20m east. then he moves 30 root 2 m south west. what will be his displacement
6. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?
7. A car, initially traveling east with a speed of 5.0 meters per second, is accelerated uniformly at 2.0 meters per second$^{2}$ for 10 seconds along a straight line. What total distance does the car travel during this 10 second interval?What is the acceleration of the car in the above problem?
8. According to Newton's second law, what is the relationship between force, mass, and acceleration?
9. An arrow is aimed horizontally, directly at the center of a target 20 m away. The arrow hits 0.050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?
10. How would you find the displacement of an object undergoing acceleration using a quantitative velocity vs time graph.
11. Kyle's velocity can be described with the formula v(t)=60t. How far does he travel between t=5s and t=8s?
12. If I jump with an initial vertical velocity of 3m/s. About how long does it take me to reach the maximum height of my jump.
13. It takes 8.75 seconds to stop a car if its driver starts breaking at a velocity of 35m/s and decelerates the car at 4.0m/s$^{2}$. How far will the car travel before it stops?
14. V$_{f}$
15. A car moves at a constant velocity of 5 meters/second south for 2 seconds. what is the magnitude of the acceleration during the 2 seconds?
16. Which of the following is NOT a unit for speed?
17. If the torque required to loosen a nut on the wheel of a car has a magnitude of 60.0 Nm, what minimum perpendicular force must be exerted by a mechanic at the end of a 45.0 cm wrench to loosen the nut?
18. Given the linear acceleration ( $a$ $\alpha$
19. The physical quantities which have only magnitude.
20. Final value in a kinematics context means
21. When velocity is positive and acceleration is negative, what happens to the object's motion?
22. While San San is running away from her problems, she runs 300 m forward, stops to catch her breath, then runs another 250 m forward. True/False:Her distance and displacement are the same.
23. Harry Potter waved his .23 m wand with .069 Nm of torque. How much force did Harry apply to rotate his wand?
24. A cheetah has a starting velocity of 8 m/s and increases to 20 m/s in a total time differential of 2.4 seconds. What was the cheetah's acceleration?
25. M/s$^{2}$ is a unit of