Podcast
Questions and Answers
Which gear in a system is known as the driver?
Which gear in a system is known as the driver?
What happens to connected gears' directions of rotation?
What happens to connected gears' directions of rotation?
What simple machine is used by the Métis during the fur trade in Canada?
What simple machine is used by the Métis during the fur trade in Canada?
In vehicles, where are sets of wheels typically attached?
In vehicles, where are sets of wheels typically attached?
What type of force is experienced when an object directly touches another object?
What type of force is experienced when an object directly touches another object?
Which force is responsible for filling a parachute with air to make it land more slowly?
Which force is responsible for filling a parachute with air to make it land more slowly?
What force attracts objects 'downward' to the ground and prevents them from floating through the air?
What force attracts objects 'downward' to the ground and prevents them from floating through the air?
Which force is exerted by wind and air molecules to push an object when it is in the air?
Which force is exerted by wind and air molecules to push an object when it is in the air?
What effect does frictional force have on objects moving across a surface?
What effect does frictional force have on objects moving across a surface?
How are rollers different from wheels?
How are rollers different from wheels?
What role did rollers play in the construction of the Great Pyramids by the Ancient Egyptians?
What role did rollers play in the construction of the Great Pyramids by the Ancient Egyptians?
How do rollers help in reducing the effort needed to move heavy loads?
How do rollers help in reducing the effort needed to move heavy loads?
What is the main difference between an inclined plane and a wedge?
What is the main difference between an inclined plane and a wedge?
How does gravity affect the movement of objects on an inclined plane?
How does gravity affect the movement of objects on an inclined plane?
How do wedges help in reducing the effort needed to lift an object?
How do wedges help in reducing the effort needed to lift an object?
What is the main purpose of using a pulley system?
What is the main purpose of using a pulley system?
In a fixed pulley system, why is the pulley considered 'fixed'?
In a fixed pulley system, why is the pulley considered 'fixed'?
What is the defining characteristic of a movable pulley system?
What is the defining characteristic of a movable pulley system?
How does increasing the number of pulleys in a system affect the effort needed to move the load?
How does increasing the number of pulleys in a system affect the effort needed to move the load?
What is the turning point in a lever called?
What is the turning point in a lever called?
Which lever class has the fulcrum between the load and the effort?
Which lever class has the fulcrum between the load and the effort?
What do we use as a simple rhyme to remember the classes of levers?
What do we use as a simple rhyme to remember the classes of levers?
In a third-class lever, which part is typically in the middle?
In a third-class lever, which part is typically in the middle?
What determines the type of lever based on the order of fulcrum, load, and effort?
What determines the type of lever based on the order of fulcrum, load, and effort?
Rollers are more effective in reducing effort needed to move heavy loads compared to wheels.
Rollers are more effective in reducing effort needed to move heavy loads compared to wheels.
A compound machine uses only one simple machine to solve problems efficiently.
A compound machine uses only one simple machine to solve problems efficiently.
Friction is the resistance between surfaces that come in contact with each other.
Friction is the resistance between surfaces that come in contact with each other.
Simple forces play a crucial role in creating the force needed to move a device.
Simple forces play a crucial role in creating the force needed to move a device.
Match the force application method with its result:
Match the force application method with its result:
Match the simple machine with its function in devices:
Match the simple machine with its function in devices:
Match the lever class with its fulcrum position:
Match the lever class with its fulcrum position:
Match the force application method with its effect on objects:
Match the force application method with its effect on objects:
Match the force with its description:
Match the force with its description:
Match the force category with its characteristics:
Match the force category with its characteristics:
Match the object with the force it experiences:
Match the object with the force it experiences:
Match the description with the correct simple machine:
Match the description with the correct simple machine:
Match the item with its description:
Match the item with its description:
In a moveable pulley, the load is attached to one pulley while the other pulley is ______
In a moveable pulley, the load is attached to one pulley while the other pulley is ______
The block and tackle pulley system uses a combination of fixed and moveable ______
The block and tackle pulley system uses a combination of fixed and moveable ______
Anything that uses your arm to move a load, such as a golf club, hockey stick or baseball bat are all ______ levers.
Anything that uses your arm to move a load, such as a golf club, hockey stick or baseball bat are all ______ levers.
Examples of second-class levers are a wheelbarrow, a bottle opener, or a ______.
Examples of second-class levers are a wheelbarrow, a bottle opener, or a ______.
Examples of third-class levers are fishing poles, tongs, or ______.
Examples of third-class levers are fishing poles, tongs, or ______.
A first-class lever has the fulcrum between the ______ and the effort.
A first-class lever has the fulcrum between the ______ and the effort.
Examples of second-class levers are a wheelbarrow, a bottle opener, or a ______.
Examples of second-class levers are a wheelbarrow, a bottle opener, or a ______.
Anything that uses your arm to move a load, such as a golf club, hockey stick or baseball bat are all ______ levers.
Anything that uses your arm to move a load, such as a golf club, hockey stick or baseball bat are all ______ levers.
Rollers are more effective in reducing effort needed to move heavy loads compared to ______.
Rollers are more effective in reducing effort needed to move heavy loads compared to ______.
Gears are wheels with teeth on them. The teeth are called ______.
Gears are wheels with teeth on them. The teeth are called ______.
The gear that has the energy first and causes another gear to turn is called the ______.
The gear that has the energy first and causes another gear to turn is called the ______.
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 ______.
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 ______.
Explain the difference between first-class, second-class, and third-class levers using examples.
Explain the difference between first-class, second-class, and third-class levers using examples.
How do compound machines differ from simple machines?
How do compound machines differ from simple machines?
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