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Machines and their Mechanisms
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What is the output component of a bike?
The back wheel
What is the input component on a bike?
The pedals
What is the output component?
The driven component.
What is the input component?
Where the force starts
Name one type of gear
Bevel gear, Crown gear, Worm gear, Spur gear or Bevel gear
What is a mechanism?
A system in a machine that can modify (change) a motion.
What is a machine?
A machine is something that is created to do a physical task, such as building, moving, or lifting.
What is torque?
A measure of rotational force
Linear motion
a movement that occurs in a straight line
What is rotary motion?
the movement of an object in a circular path along a fixed point called an axis.
What is a gear?
A gear is a special kind of wheel where a toothed wheel turns another toothed wheel. They are mechanisms used to change speed, direction and torque.
What is force?
A push or a pull. A force can make an object start moving, or stop moving.
What is speed?
How fast something moves
What is a load?
weight
What is a compound pulley?
a combination of a fixed pulley and a moveable pulley. it requires two pulleys.
What is a fixed pulley?
The wheel is in a fixed location, and the load is attached to a rope.
What is a moveable pulley?
A moveable pulley has a wheel that can move. The load is attached directly to the wheel.
What is a pulley?
A system that uses a rope and a wheel. The wheel has a grooved track for the rope to run through.


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