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The Following Belong to Which Class of Lever? Knife - Physics

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प्रश्न

The following belong to which class of lever?

Knife

एक पंक्ति में उत्तर
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उत्तर

Third-class of lever

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अध्याय 2: Simple Machines - Short Answers

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आईसीएसई Physics [English] Class 10
अध्याय 2 Simple Machines
Short Answers | Q 26.14

संबंधित प्रश्न

Name a machine to obtain gain in speed ?


Give one example of a class I lever where mechanical advantage is more than one ?


Draw a diagram of a lever which is always used as a force multiplier. How is the effort arm related to the load arm in such a lever?


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  1. To which class does it belong?
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  3. What is the mechanical advantage and velocity ratio if the efficiency is 100%?
  4. What will be the mechanical advantage and velocity ratio if the efficiency becomes 50%?

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  1. State the principle of moments as applied to the above lever.
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  3. If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.

State the types (or kinds) of lever, and give two examples of each kind.


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