Question

The drawings shoes two indentical systems of object; each consists of the same three small balls connected by massless rods. In both systems the axis is perpendicular to the page, but it is located at a different place, as shown. The same force of magnitude F is applied to the same ball in each system. The masses of the balls are m1=9.5 kg, m2=6.0 kg, and m3=7.7 kg. The magnitude of the force is F=497 N. (a) For each of the two systems, determine the moment of inertia about the given axis of rotation. (b) Calculate the torque (magnitude and direction) acting on each system. (c) Both system start from rest, and the direction of the force moves with the system and always points along the 4.00-m rod. What is the angular velocity of each system after 5.11 s?

s connected by massless rods. In both systems the axis is perpendicular to t
kg, and ma
and the direction of the force moves with the system and always points alon
7.7 kg. The magnitude of the force is F = 497 N. (a) For eac
m1
3.00 m
3.00 m
Axis
4.00 m
4.00 m
5.00 m
5.00 m
Axis
System B
System A

Image Transcription

s connected by massless rods. In both systems the axis is perpendicular to t kg, and ma and the direction of the force moves with the system and always points alon 7.7 kg. The magnitude of the force is F = 497 N. (a) For eac m1 3.00 m 3.00 m Axis 4.00 m 4.00 m 5.00 m 5.00 m Axis System B System A

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Rotational Mechanics

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