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Which of these is an example of a third-class lever?
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
The mechanical advantage of a machine is the number of times a machine increases
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
In order to do work on an object, the force you exert must be
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
Work is measured in
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
Pulling down on a rope to hoist a sail on a sailboat is an example of a machine
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
A ramp is an example of a simple machine called a(n)
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
An ideal machine would have an efficiency of
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
What do machines do?
fishing pole
joules.
in the same direction as the object's motion.
changing the direction over which a force is exerted.
the force exerted on the machine.
makes work easier
100%.
inclined plane.
Check it!