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This chapter delves into the distinctions between translational and rotational motion, elucidating how they are manifested through forces and torques. Learn about torque, the force that induces rotation, and delve into the formula Torque = force x lever arm. Discover the intricacies behind determining torque, exploring scenarios where forces generate clockwise and counterclockwise rotations. Delve into the concepts of line of action and lever arm, gaining insight into how torque varies based on force application. Uncover the factors influencing torque magnitude and direction, enriching your comprehension of rotational dynamics.
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MSTC Physics 2 Chapter 8 Sections 1-2
Translational vs Rotational Motion • Translational motion is produced by a force through an object’s center • Rotational motion is produced by a force applied away from the center
Torque • Force that produces rotation • Torque = force x lever arm Τ = Fl where Τ = tau [Τ] = Nm • If force causes to rotate counterclockwise is positive torque
Torque cont’d. • Line of action – line along which force acts • Lever arm – perpendicular distance from rotational axis to line of action • Torque depends on amount of force, how applied, and where applied
