Levers can be used to exert a large force over a small distance at one end by
exerting only a small force ... Mechanical advantage may be greater or less than
While machines can provide a mechanical advantage of greater than 1.0 ... to the
work it receives, because energy used up by friction is quite small. ... The IMA of a
lever can be less than or greater than 1 depending on the class of the lever.
Identify how the lever, pulley and wheel-and-axle are used in many familiar ....
Most simple machines provide a mechanical advantage greater than 1 (MA > 1) ...
Nov 8, 2007 ... Best Answer: A) The arm on the other side of the fulcrum would be long than the
arm you apply the force to to have a mechanical advantage ...
Nov 5, 2015 ... Explanation of how the Mechanical Advantage in Machines is used. ...
Mechanical advantage (MA) means that the output of the machine is greater than
the input. ... Lever configuration provides force mechanical advantage ... A
catapult moves a large rock a distance of 5 meters in 1 second before releasing ...
Is it possible for a first or second class lever to have a mechanical advantage less
than one or for a third class lever to have a mechanical advantage greater than ...
Feb 5, 2012 ... A machine can be used to reduce the input force that is needed to lift an object. ...
A mousetrap would be considered a third-class lever. ... When the mechanical
advantage is greater than 1, the input force (applied force) is ...
1. Work and Simple Machines. 2. What is work? In science, the word work .... If
the output force is bigger than the input force, a machine has a mechanical
advantage greater than one. ... In use, a lever has both an effort (or applied) force
and a load (resistant force). .... How much power is used if this work is done in 20
While the output work of a simple machine can never be greater than the input
work, ... Most of the time, levers are used to multiply force to lift heavy objects. ... A
mechanical advantage less than one doesn't mean a machine isn't useful. It just.
Oct 3, 2015 ... 2.9.1 Lever; 2.9.2 Pulley; 2.9.3 Inclined Plane; 2.9.4 Wheel and Axle; 2.9.5
Wedge ... Mechanical advantage is the ratio of the output force to the input force,
... If a machine has an IMA of greater than 1, then the load is being moved less of
a .... Inclined planes are used to raise masses to a higher elevation by ...