Rotation on Fixed Axis

What is the definition of rotation on a fixed axis?

• Rotation on a fixed axis is the circular motion of an object around a specific line that does not move.

• Rotation on a fixed axis is the random movement of an object in all directions.

• Rotation on a fixed axis is the linear motion of an object along a straight line.

• Rotation on a fixed axis is the expansion of an object in size.

Explain the concept of angular velocity in rotation on a fixed axis.

• Angular velocity is measured in meters per second

• Angular velocity is the speed of an object moving in a straight line

• Angular velocity is constant and does not change

• Angular velocity is defined as the change in angular displacement divided by the change in time, typically measured in radians per second.

How is torque related to rotation on a fixed axis?

• Torque is directly related to rotation on a fixed axis.

• Torque is only related to linear motion.

• Torque is not related to rotation on a fixed axis.

• Torque is inversely related to rotation on a fixed axis.

What is the moment of inertia in the context of rotation on a fixed axis?

• Moment of inertia is the distance an object travels during rotation

• Moment of inertia is the sum of the products of the mass of each particle in the object and the square of its distance from the axis of rotation.

• Moment of inertia is the force required to rotate an object

• Moment of inertia is the speed of rotation of an object

Describe the role of angular momentum in rotation on a fixed axis.

• Angular momentum in rotation on a fixed axis is conserved in the absence of external torques.

• Angular momentum in rotation on a fixed axis is always zero.

• Angular momentum in rotation on a fixed axis is not affected by the mass distribution of the rotating object.

• Angular momentum in rotation on a fixed axis is increased by external torques.

What is the difference between rotational kinetic energy and translational kinetic energy?

• Rotational kinetic energy is associated with linear motion, while translational kinetic energy is associated with rotational motion.

• Rotational kinetic energy and translational kinetic energy are the same thing.

• The difference between rotational kinetic energy and translational kinetic energy lies in the type of motion they are associated with.

• Rotational kinetic energy is always greater than translational kinetic energy.

How does the conservation of angular momentum apply to rotation on a fixed axis?

• Angular momentum conservation applies only to linear motion, not rotation.

• Angular momentum is only conserved if the system is rotating at a constant speed.

• Angular momentum is conserved as long as there is no external torque acting on the system.

• Angular momentum is conserved only when the system is rotating in a vacuum.

Discuss the significance of the right-hand rule in rotation on a fixed axis.

• The right-hand rule only applies to linear motion, not rotation

• The right-hand rule is crucial for defining the direction of angular velocity, acceleration, and momentum vectors in rotation on a fixed axis.

• The left-hand rule is more commonly used in rotation on a fixed axis

• The right-hand rule is irrelevant in determining the direction of angular momentum

Explain the concept of precession in rotation on a fixed axis.

• Precession in rotation on a fixed axis is the gradual change in the orientation of the axis of rotation caused by an external torque applied perpendicular to the axis of rotation.

• Precession is the same as rotation on a fixed axis

• Precession is caused by an internal torque

• Precession does not involve any change in orientation

What are some real-world examples where rotation on a fixed axis is observed?

• Spinning of a top, rotation of a bicycle wheel, turning of a screwdriver

• Swinging of a pendulum, spinning of a frisbee, rotation of a car tire