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प्रश्न
Identify and mention the types of simple machines.
 |
 |
 |
| ______ | ______ | _______ |
 |
 |
 |
| ______ | ______ | ______ |
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उत्तर
|
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| Wedge | Inclined plan | Lever |
|
|
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| Wheel and axle | Pulley | Screw |
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संबंधित प्रश्न
When is work said to be done by a force?
What is the principle on which a machine works?
Name six simple machines. Give an example of each machine.
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
What is an ideal machine?
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N. However, when the point of application of the effort moves through 2.5 m, the load gets raised through 10 cm only. What are the values of the:
(i) M.A.
(ii) V.R. and
(iii) Efficiency of the machine?
Classify the following as a lever, a pulley and an inclined plane:
A needle
Classify the following as a lever, a pulley and an inclined plane:
An axe
Classify the following as a lever, a pulley and an inclined plane:
A knife
Name some simple machines.
