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Which of these is an example of a third-class lever?
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
The power of a light bulb the converts electrical energy at a rate of 100 joules per second is
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
The mechanical advantage of a machine is the number of times a machine increases
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
Pulling down on a rope to hoist a sail on a sailboat is an example of a machine
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
The fixed point that a lever pivots around is called the
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
A ramp is an example of a simple machine called a(n)
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
Work is measured in
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
An ideal machine would have an efficiency of
joules.
fishing pole
inclined plane.
100%.
changing the direction over which a force is exerted.
fulcrum.
the force exerted on the machine.
100 watts.
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