Explain the lever Mechanisms!!!
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Answers
Answer:
A lever is a mechanism that can be used to exert a large force over a small distance at one end of the lever by exerting a small force over a greater distance at the other end.
Answer:
lever is a mechanism that can be used to exert a large force over a small distance at one end of the lever by exerting a small force over a greater distance at the other end.
Levers - first-class
The moment action on both sides of the lever is equal and can be expressed as
Fe de = Fl dl (1)
where
Fe = effort force (N, lb)
Fl = load force (N, lb) (note that weight is a force)
dl = distance from load force to fulcrum (m, ft)
de = distance from effort force to fulcrum (m, ft)
The effort force can be calculated by modifying (1) to
Fe = Fl dl / de
= m ag dl / de (1b)
where
m = mass (kg, slugs)
ag = acceleration of gravity (9.81 m/s2, 32.17 ft/s2)