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What are levers? State the differences between its different types with the help of examples.

Important Questions on Simple Machines

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What is a lever? Describe the three types of levers with examples.
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Differentiate between the three types of levers giving examples.
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The lever in which the load is located between the fulcrum and the effort _____(First class lever/ Second class lever/ Third class lever).
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The force that is used on the lever is called _____.
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The fixed point around which the rod (in a lever) moves is called.
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Choose the correct option from the following:
(first, second, third)

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The picture shown above is of a _____ class lever.

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Write two examples for the following:

Third-class lever.

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In a first-class lever
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A see-saw is a second-class lever.
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The force which is applied to move or lift the load _____.
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Define load, effort and fulcrum with respect to a lever.
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An example of a third class lever is _____.
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Match the column A with column B and column C.

A B C
1. Lever a. Sloping i) Slide
2. Wheel b. Inclined plane ii) V-shaped
3. Inclined plane c. Load iii) Rolling pin
4. Wedge d. Axle iv) Effort
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A spoon used to open a tin can act as a _____.
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Which of these is not an example of a lever?
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Question Image

The picture shown above is of a _____ class lever. [first/second/third]

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Cotyledons are also called-
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Question Image

The picture shown above is of a _____ class lever. [first/second/third]

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The fixed point around which a rigid bar rotates_____.
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A bottle opener is an example of a/an _____.