physics2_d_1_1_dynamics_1_1_joints_1_1_gear_joint.html" target="_self">GearJoint</a></td><td class="desc">A gear joint is used to connect two joints together. Either joint can be a revolute or prismatic joint. You specify a gear ratio to bind the motions together: coordinate1 + ratio * coordinate2 = ant The ratio can be negative or positive. If one joint is a revolute joint and the other joint is a prismatic joint, then the ratio will have units of length or units of 1/length </td></tr>
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