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The pullover is an exercise that is performed with either a dumbbell or a barbell. [1] Pullovers can be made to affect either the chest or the back depending on how wide the grip is (barbell) and the position of the shoulders.
Tensioning the line makes waves travel faster, and also reduces sag from gravity. For medium and high speeds, the wires are generally tensioned by weights or occasionally by hydraulic tensioners. Either method is known as "auto-tensioning" (AT) or "constant tension" and ensures that the tension is virtually independent of temperature.
A vast variety of cable patterns can be invented by changing the number of cables, the separations of their center lines, the amplitudes of their waves (i.e., how far they wander from their center line), the shape of the waves (e.g., sinusoidal versus triangular), and the relative position of the crests and troughs of each wave (e.g., one wave ...
A block and tackle is characterized by the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load. Its mechanical advantage is the number of parts of the rope that act on the load. The mechanical advantage of a tackle dictates how much easier it is to haul or lift the load.
Cable pull-down exercise to the front with a medium-width overhand (pronated) grip. The pull-down exercise is a strength training exercise designed to develop the latissimus dorsi muscle. It performs the functions of downward rotation and depression of the scapulae combined with adduction and extension of the shoulder joint.
Linen stitch is a pattern that creates a tightly knit fabric that resembles woven linen. Tailored garments are especially suited for the linen stitch. It is a durable stitch, and is often used to reinforce the heels of hand-knitted socks. It includes knit and purl stitches, as well as slipped stitches. [7] Loop stitch [8]
For example, consider a system consisting of an object that is being lowered vertically by a string with tension, T, at a constant velocity. The system has a constant velocity and is therefore in equilibrium because the tension in the string, which is pulling up on the object, is equal to the weight force , mg ("m" is mass, "g" is the ...
where is the applied tension on the line, is the resulting force exerted at the other side of the capstan, is the coefficient of friction between the rope and capstan materials, and is the total angle swept by all turns of the rope, measured in radians (i.e., with one full turn the angle =).