EASY
Earn 100

What type of simple machines will you use to do the following? 
Oars, when used for moving or splashing water

Important Questions on Simple Machines

MEDIUM
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 force which is applied to move or lift the load _____.
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The force that is used on the lever is called _____.
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A see-saw is a second-class lever.
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Choose the correct option from the following:
(first, second, third)

Question Image

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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Question Image

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

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The fixed point around which the rod (in a lever) moves is called.
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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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Define load, effort and fulcrum with respect to a lever.
MEDIUM
An example of a third class lever is _____.
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The fixed point around which a rigid bar rotates_____.
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A spoon used to open a tin can act as a _____.
MEDIUM
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-
MEDIUM
In a first-class lever
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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 bottle opener is an example of a/an _____.