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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
Scissors
उत्तर
Scissors – A lever
संबंधित प्रश्न
What is the principle on which a machine works?
What is an ideal machine?
Answer the following.
What do you understand by a complex machine?
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
Can a machine be 100% efficient?
Give an example of the following use of a machine to change the point of application of the force.
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?
What is meant by simple machines?
Why is this so machines have to be maintained?
Identify and mention the types of simple machines.
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 |
 |
| ______ | ______ | _______ |
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 |
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| ______ | ______ | ______ |
