Amule uses a rope to pull a box that weighs 300 n across a level surface with a constant velocity. the rope makes an angle 30° above the horizontal, and the tension in the rope is 100n. what is the normal force on the box?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k