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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
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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