Mechanics of Rigid Bodies Quiz
Explore concepts of translational and rotational motion with 12 questions on torque, inertia, equilibrium, and more.
#1
Which of the following is a scalar quantity?
Force
Velocity
Distance
Acceleration
#2
What does the term 'moment of force' refer to?
Torque
Angular momentum
Centripetal force
Gravitational force
#3
Which of the following is a unit of torque?
Newton
Joule
Watt
Newton-meter
#4
Which law of motion is associated with the concept of inertia?
Newton's First Law
Newton's Second Law
Newton's Third Law
Law of Universal Gravitation
#5
What is the center of mass of a system of particles?
Average position of all particles
Position of the heaviest particle
Position of the lightest particle
Randomly chosen point within the system
#6
In rotational motion, what is moment of inertia?
Force applied at a distance
Angular velocity
Distribution of mass around an axis
Torque acting on an object
#7
What is the relationship between torque and angular acceleration?
Torque is directly proportional to angular acceleration.
Torque is inversely proportional to angular acceleration.
Torque is equal to angular acceleration.
No relationship between torque and angular acceleration.
#8
In a collision between two objects, what is conserved if there is no external force acting on the system?
Linear momentum
Angular momentum
Kinetic energy
Potential energy
#9
What is the condition for rotational equilibrium?
Zero net torque and constant angular velocity
Zero net torque and zero angular velocity
Non-zero net torque and constant angular velocity
Non-zero net torque and zero angular velocity
#10
Which of the following statements is true for a rigid body in translational equilibrium?
Net force is zero, but the net torque may be non-zero.
Net force and net torque are both zero.
Net force may be non-zero, but the net torque is zero.
Net force and net torque are both non-zero.
#11
What is the relationship between linear velocity and angular velocity in rotational motion?
Linear velocity is directly proportional to angular velocity.
Linear velocity is inversely proportional to angular velocity.
Linear velocity is equal to angular velocity.
No relationship between linear velocity and angular velocity.
#12
In the context of rigid body dynamics, what is the significance of the parallel-axis theorem?
It relates linear velocity to angular velocity.
It simplifies calculations of moment of inertia for an axis parallel to the center of mass.
It describes the conservation of angular momentum.
It governs the relationship between torque and angular acceleration.
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