#8 8. This problem consists of separate parts.a. If the net force on an object is zero does it mean the net torque is zero as well?Explain.b. A uniform rod (1 = 3.0 m and m = .5 kg) rotates in a vertical plane about thehorizontal axis passing through the c.m. of the rod. Find the angularacceleration a of the rod if the applied torque is 2.0 N m.c. The position of a particle is x(t) = 6.0cos(2.0t + r/6) . Find the peak value ofparticle's speed. All units are SI.

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Answered: a. If the net force on an object is…

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a. If the net force on an object is zero does it mean the net torque is zero as well? Explain.

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

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Chapter1: Units, Trigonometry. And Vectors

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

8. This problem consists of separate parts.
a. If the net force on an object is zero does it mean the net torque is zero as well?
Explain.
b. A uniform rod (1 = 3.0 m and m = .5 kg) rotates in a vertical plane about the
horizontal axis passing through the c.m. of the rod. Find the angular
acceleration a of the rod if the applied torque is 2.0 N m.
c. The position of a particle is x(t) = 6.0cos(2.0t + r/6) . Find the peak value of
particle's speed. All units are SI.

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