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problem 4: a disk of mass m and radius r, a hoop of mass 2m and radius r, and a ball of mass m and radius 2r are rolling without slipping. the hoop can be treated as a thin ring and the ball should be modeled as a hollow sphere.



Answer :

a. Angular speed, w = v/r where  v is the linear speed, r is the radius

b. v = w*r

c. I(disk)=1/2mr^2,I(hoop)=mr^2, I(Ball)=8/3mr^2 disk is the smallest moment of inertia.

A body has an attribute called inertia that makes it resist attempts to move it or, if it is already moving, to alter the speed or direction of its motion. A body's inertia is a passive characteristic that prevents it from doing anything other than opposing active agents like forces and torques. A moving body continues to move not because of its inertia but rather because no force exists to stop it, alter its direction, or accelerate it.

A body's moment of inertia, which quantifies its resistance to the action of a force, and its mass, which determines how resistant it is to the action of a force, are two numerical measures of inertia.

Learn more about inertia here:

https://brainly.com/question/1358512

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