Homework Help is Here – Start Your Trial Now!
Science
Physics
1. Which of the following is the rotational analog of force? (A) Angular momentum (B)Angular velocity (C) moment of inertia (D) torque 2. Which of the following has a greater moment of inertia? (A) long, fat leg (B) long, thin leg (C) short, fat leg (D) short, thin leg 3. Which of the following is needed for a rigid body to be in equilibrium? (A) It must be stable. (B) The net torque on it must be zero. (C) The net force acting on it must be zero. (D) The net force and the net torque acting on it must be zero.

1. Which of the following is the rotational analog of force? (A) Angular momentum (B)Angular velocity (C) moment of inertia (D) torque 2. Which of the following has a greater moment of inertia? (A) long, fat leg (B) long, thin leg (C) short, fat leg (D) short, thin leg 3. Which of the following is needed for a rigid body to be in equilibrium? (A) It must be stable. (B) The net torque on it must be zero. (C) The net force acting on it must be zero. (D) The net force and the net torque acting on it must be zero.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
See similar textbooks
icon
Related questions
Question
Answer 1-10 , no need for solutions
8. Which of the following represents the product of the mass of each particle in a rotating rigid body and the square of its radius? (A) Angular momentum (B)Angular velocity (C) moment of inertia (D) torque 9. Which of the following statements is TRUE? (A) The moment of inertia about an axis parallel to the axis passing through the center of mass is computed using the parallel axes theorem. (B) The torque is not affected by the radius from which the force is acted at. (C) The angular speed of the minute hand of a clock is 10°/min. (D) The torque is a scalar quantity. 10. Which of the following statements is TRUE? (A) Rotational kinetic energy is affected by the moment of inertia / of the object. (B) The moment of inertia of an object does not affect its angular momentum. (C) The total weight of a body is always concentrated at its center of mass. (D)Angular momentum is the product of moment of inertia and mass.
Transcribed Image Text:8. Which of the following represents the product of the mass of each particle in a rotating rigid body and the square of its radius? (A) Angular momentum (B)Angular velocity (C) moment of inertia (D) torque 9. Which of the following statements is TRUE? (A) The moment of inertia about an axis parallel to the axis passing through the center of mass is computed using the parallel axes theorem. (B) The torque is not affected by the radius from which the force is acted at. (C) The angular speed of the minute hand of a clock is 10°/min. (D) The torque is a scalar quantity. 10. Which of the following statements is TRUE? (A) Rotational kinetic energy is affected by the moment of inertia / of the object. (B) The moment of inertia of an object does not affect its angular momentum. (C) The total weight of a body is always concentrated at its center of mass. (D)Angular momentum is the product of moment of inertia and mass.
Direction: Encircle the letter of the correct answer. 1. Which of the following is the rotational analog of force? (A) Angular momentum (B)Angular velocity (C) moment of inertia (D) torque 2. Which of the following has a greater moment of inertia? (A) long, fat leg (B)long, thin leg (C) short, fat leg (D) short, thin leg 3. Which of the following is needed for a rigid body to be in equilibrium? (A) It must be stable. (B) The net torque on it must be zero. (C)The net force acting on it must be zero. (D) The net force and the net torque acting on it must be zero. 4. What will happen if an ice skater spinning on one of her toes extends her arms? (A) Her moment of inertia and angular velocity will increase. (B) Her moment of inertia and angular velocity will decrease. (C) Her moment of inertia will decrease but her angular velocity will increase. (D)Her moment of inertia will increase but her angular velocity will decrease. 5. If considering the moment of inertia of a body, it is convenient to assume as if all its mass were concentrated at a single point from the center of rotation. What is this distance called? (A) center of mass (B) center of gravity (C) lever arm (D) radius of gyration 6. A uniform meterstick is supported at the 50 cm mark. A 25 N weight is placed at the 10 cm mark. Where should a 200 N weight be placed for the meterstick to be in equilibrium? (A) 1.25 cm mark (B)5.0 cm mark (C) 51.25 cm mark (D) 55.0 cm mark 7. A wheel is rotating at an angular speed of 2.0 radians/s. How much torque is needed to accelerate it to 4.0 radians/s in 5 s? The wheel has a moment of inertia of 0.25 kg-m2 (A)0.01 Nm (B)0.10 Nm (C) 1.0 Nm (D) 10 Nm
Transcribed Image Text:Direction: Encircle the letter of the correct answer. 1. Which of the following is the rotational analog of force? (A) Angular momentum (B)Angular velocity (C) moment of inertia (D) torque 2. Which of the following has a greater moment of inertia? (A) long, fat leg (B)long, thin leg (C) short, fat leg (D) short, thin leg 3. Which of the following is needed for a rigid body to be in equilibrium? (A) It must be stable. (B) The net torque on it must be zero. (C)The net force acting on it must be zero. (D) The net force and the net torque acting on it must be zero. 4. What will happen if an ice skater spinning on one of her toes extends her arms? (A) Her moment of inertia and angular velocity will increase. (B) Her moment of inertia and angular velocity will decrease. (C) Her moment of inertia will decrease but her angular velocity will increase. (D)Her moment of inertia will increase but her angular velocity will decrease. 5. If considering the moment of inertia of a body, it is convenient to assume as if all its mass were concentrated at a single point from the center of rotation. What is this distance called? (A) center of mass (B) center of gravity (C) lever arm (D) radius of gyration 6. A uniform meterstick is supported at the 50 cm mark. A 25 N weight is placed at the 10 cm mark. Where should a 200 N weight be placed for the meterstick to be in equilibrium? (A) 1.25 cm mark (B)5.0 cm mark (C) 51.25 cm mark (D) 55.0 cm mark 7. A wheel is rotating at an angular speed of 2.0 radians/s. How much torque is needed to accelerate it to 4.0 radians/s in 5 s? The wheel has a moment of inertia of 0.25 kg-m2 (A)0.01 Nm (B)0.10 Nm (C) 1.0 Nm (D) 10 Nm
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Unit conversion
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON
SEE MORE TEXTBOOKS