#3 Rotational Inertia Consider the system of disks shown in Figure 1. Each of th

Question

#3 Rotational Inertia Consider the system of disks shown in Figure 1. Each of the three diss shown has a mas Of M and a radius R· Tie two flanking daks are in cuntact with the central ak rth system rotates about the eenter of the disk in the middle, calculate the mot ofietia of the combined three disk system Hint: Kep in mind the Paralled Axis Theoeem wic states that where I is the moment of inertia of the obect about the center of mass and h is the distance to the parallel axis about which the object rotates Figure 1: Configuration of three contiguous disks for #4 #4 Torque: Fundamental Aspects A force of 3.00 N is applied to a torque arm of 0.300 meters, with the force and torque arm begin perpendicular. What torqae is developed C.3.00 N-111 O D. 1.50 N #5 Torque: Fundamental Aspects A force applised to a torque arm of 0.244 meters yields a torqae of 12 What is the magnit ude of the applied force? A.3.14 N B.4.92 N D. 8.21 N #6 Torque: Assessing the Sign , Email Sa ve

Explanation / Answer

4)(D)1.5 N-m

explanation:

F = 3 N ; R = 0.5 m

We know that,

Torque = F x R

T = 3 x 0.5 = 1.5 N-m

(D)1.5 N-m

5)(B)F = 4.92 N

explanation:

r = 0.244 m ; T = 1.2 N-m

F = T/r = 1.2/0.244 = 4.92 N

Hence, (B)4.92 N

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