For a system of particles, the total moment of inertia is calculated by which of
Practice Questions
Q1
For a system of particles, the total moment of inertia is calculated by which of the following methods?
Adding individual moments of inertia
Multiplying total mass by average distance
Using the parallel axis theorem
Using the perpendicular axis theorem
Questions & Step-by-Step Solutions
For a system of particles, the total moment of inertia is calculated by which of the following methods?
Correct Answer: Adding individual moments of inertia
Step 1: Identify each particle in the system and its mass.
Step 2: Determine the distance of each particle from the axis of rotation.
Step 3: Calculate the moment of inertia for each particle using the formula: I = m * r^2, where 'm' is the mass and 'r' is the distance from the axis.
Step 4: Add all the individual moments of inertia together to get the total moment of inertia for the system.
Moment of Inertia – The moment of inertia is a measure of an object's resistance to rotational motion, calculated by summing the products of each particle's mass and the square of its distance from the axis of rotation.
System of Particles – A system of particles refers to a collection of multiple particles whose collective motion and properties are analyzed, often requiring the consideration of each particle's individual contributions to the system's overall behavior.