This set of virtual experiments ask students to explore load and effort forces, calculate mechanical advantage and discover the relationship between the number of pulleys, length of rope and the force needed to lift a mass.
Mechanical Power Movable Pulleys Stock Vector (Royalty Free) 252506008
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And ... the monkey flipped the switch. A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. A simple machine uses a single applied force to do work against a single load force. Ignoring friction losses, the work done on the load is equal to the work done by the applied force. They can be used to increase the amount of…
Rigging for Horizontal and Vertical Confined Space Entry - Fire Engineering
The key to rigging success is to develop a strong game plan and making sure your rigging safe, effective, and efficient, Mike Donahue writes.
Setting up a Z pulley for stretcher hauling rescue - Bush Search and Rescue Victoria
This equipment is used for stretcher hauling on steep snow and ice terrain These instructions are indicative and may be varied in the field Escort attached to the Safety line is NOT illustrated All ropes are static ropes (e.g. Blue Water 11m) Z pulley setup for rescues will be supervised and checked by Police Officer … Continue reading "Setting up a Z pulley for stretcher hauling rescue"