Gears and Cogs Basics
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Questions and Answers

Which gear in a system is known as the driver?

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What happens to connected gears' directions of rotation?

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What simple machine is used by the Métis during the fur trade in Canada?

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In vehicles, where are sets of wheels typically attached?

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What type of force is experienced when an object directly touches another object?

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Which force is responsible for filling a parachute with air to make it land more slowly?

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What force attracts objects 'downward' to the ground and prevents them from floating through the air?

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Which force is exerted by wind and air molecules to push an object when it is in the air?

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What effect does frictional force have on objects moving across a surface?

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How are rollers different from wheels?

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What role did rollers play in the construction of the Great Pyramids by the Ancient Egyptians?

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How do rollers help in reducing the effort needed to move heavy loads?

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What is the main difference between an inclined plane and a wedge?

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How does gravity affect the movement of objects on an inclined plane?

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How do wedges help in reducing the effort needed to lift an object?

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What is the main purpose of using a pulley system?

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In a fixed pulley system, why is the pulley considered 'fixed'?

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What is the defining characteristic of a movable pulley system?

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How does increasing the number of pulleys in a system affect the effort needed to move the load?

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What is the turning point in a lever called?

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Which lever class has the fulcrum between the load and the effort?

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What do we use as a simple rhyme to remember the classes of levers?

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In a third-class lever, which part is typically in the middle?

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What determines the type of lever based on the order of fulcrum, load, and effort?

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Rollers are more effective in reducing effort needed to move heavy loads compared to wheels.

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A compound machine uses only one simple machine to solve problems efficiently.

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Friction is the resistance between surfaces that come in contact with each other.

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Simple forces play a crucial role in creating the force needed to move a device.

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Match the force application method with its result:

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Match the simple machine with its function in devices:

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Match the lever class with its fulcrum position:

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Match the force application method with its effect on objects:

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Match the force with its description:

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Match the force category with its characteristics:

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Match the object with the force it experiences:

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Match the description with the correct simple machine:

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Match the item with its description:

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In a moveable pulley, the load is attached to one pulley while the other pulley is ______

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The block and tackle pulley system uses a combination of fixed and moveable ______

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Anything that uses your arm to move a load, such as a golf club, hockey stick or baseball bat are all ______ levers.

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Examples of second-class levers are a wheelbarrow, a bottle opener, or a ______.

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Examples of third-class levers are fishing poles, tongs, or ______.

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A first-class lever has the fulcrum between the ______ and the effort.

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Examples of second-class levers are a wheelbarrow, a bottle opener, or a ______.

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Anything that uses your arm to move a load, such as a golf club, hockey stick or baseball bat are all ______ levers.

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Rollers are more effective in reducing effort needed to move heavy loads compared to ______.

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Gears are wheels with teeth on them. The teeth are called ______.

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The gear that has the energy first and causes another gear to turn is called the ______.

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In the wheel-to-wheel contact drive system, one wheel causes another wheel to turn by rolling against it. This is known as the wheel-to-wheel contact drive ______.

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Explain the difference between first-class, second-class, and third-class levers using examples.

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How do compound machines differ from simple machines?

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