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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
An axe
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उत्तर
An axe – A wedge
संबंधित प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
What is the purpose of a jack in lifting a car by it?
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
Give an example where a machine is used to obtain gain in speed.
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
How does a machine work?
Why is this so traveller’s bags have wheels?
Identify and mention the types of simple machines.
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| ______ | ______ | _______ |
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| ______ | ______ | ______ |
