Podcast
Questions and Answers
A knife is an example of the simplest ______ used by us.
A knife is an example of the simplest ______ used by us.
machine
The lever is a bar-like rigid object that is free to move about a fixed point called ______.
The lever is a bar-like rigid object that is free to move about a fixed point called ______.
fulcrum
Sometimes, a lever is used to decrease the force to perform delicate ______.
Sometimes, a lever is used to decrease the force to perform delicate ______.
jobs
All levers have three parts: Load, Fulcrum, and ______.
All levers have three parts: Load, Fulcrum, and ______.
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On the basis of the position of the load, the fulcrum, and the effort, levers are classified into three ______.
On the basis of the position of the load, the fulcrum, and the effort, levers are classified into three ______.
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When the fulcrum is between the load and the effort, it is called a first-class ______.
When the fulcrum is between the load and the effort, it is called a first-class ______.
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A bike wheel is a common example of a complex machine.
A bike wheel is a common example of a complex machine.
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A wedge is a simple machine used to lift heavy objects.
A wedge is a simple machine used to lift heavy objects.
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All levers have four parts: Load, Fulcrum, Effort, and Support.
All levers have four parts: Load, Fulcrum, Effort, and Support.
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The position of the load determines the classification of a lever.
The position of the load determines the classification of a lever.
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In a first-class lever, the effort is positioned between the load and the fulcrum.
In a first-class lever, the effort is positioned between the load and the fulcrum.
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A pair of scissors is an example of a second-class lever.
A pair of scissors is an example of a second-class lever.
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