Search results
Results from the WOW.Com Content Network
An ideal block and tackle with a moving block supported by n rope sections has the mechanical advantage (MA), = =, where F A is the hauling (or input) force and F B is the load. Consider the set of pulleys that form the moving block and the parts of the rope that support this block.
The area from one tackle to the other is an area of close line play in which blocks from behind, which are prohibited elsewhere on the field, are allowed. For a right-handed quarterback, the left tackle is charged with protecting the quarterback from being hit from behind, known as the blind side, and this is usually the most skilled player on ...
Crown block (#13) is the stationary end of the block and tackle. Degasser (not pictured) is a device that separates air and/or gas from the drilling fluid. It is typically mounted on top of the mud tanks. Derrick (#14) is the support structure for the equipment used to lower and raise the drill string into and out of the wellbore. This consists ...
Some types of block include: a run block, where the blocker pushes a defensive player back and away from the ball carrier; a pass block, where a blocker protects the thrower by moving laterally and backwards to slow or halt an incoming pass rusher; a cut block; a zone block, which is any block executed in a zone blocking scheme; a trap block; a ...
A team of riggers design and install the lifting or rolling equipment needed to raise, roll, slide or lift objects such as heavy machinery, structural components, building materials, or large-scale fixtures with a crane, hoist or block and tackle. Rigging comes from rig, to set up or prepare.
ORLANDO, Fla. — The writing was on the wall when the NFL began publicizing its data. The hip-drop tackle, league executives began saying last year, inflicted injury at 25 times the rate of the ...
In sailing, a block is a single or multiple pulley. One or a number of sheaves are enclosed in an assembly between cheeks or chocks. In use, a block is fixed to the end of a line, to a spar, or to a surface. A line (rope) is reeved through the sheaves, and maybe through one or more matching blocks at some far end, to make up a tackle.
Here's a look at two bullish charts from one stock currently seeing a breakout. A technical analysis of Block. Block — formerly Square — is a prime example of a pandemic-era darling whose ...