The weight load ratio of a fall arrest harness is typically around 5:1, which means it can support a load up to five times the maximum user weight. This ratio is designed to provide a safety margin in case of a fall. It is important to choose a harness that is rated for your specific weight and intended use.
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A fall arrest system that limits workers from free falling 2 feet is typically designed to activate and arrest the fall within a short distance. This may include components such as a shock-absorbing lanyard or self-retracting lifeline, along with a proper anchorage point that can withstand the forces generated during a fall arrest. Regular inspection and maintenance of the system are also crucial to ensure its functionality and safety.
No, the increase in weight does not cause an object to fall faster. In a vacuum, objects of different weights fall at the same rate due to gravity. The rate at which an object falls is primarily determined by the force of gravity acting upon it, not its weight.
Bigger balloons displace more air, creating more resistance against gravity, which slows down their descent. This increased surface area-to-weight ratio also helps them generate more lift, further reducing their fall speed.
In theory, the feather and stone would fall at the same rate in a vacuum due to gravity. This is known as the principle of equivalence, which states that all objects fall at the same rate regardless of their mass in the absence of air resistance. This is commonly described by the famous experiment conducted by Galileo dropping different objects from the Leaning Tower of Pisa.
The fall arrest system that must limit a worker from free falling to two feet is a self-retracting lanyard or a shock-absorbing lanyard. These devices are designed to reduce the impact force on the worker and prevent them from falling more than a certain distance, typically 2 feet.