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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
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उत्तर
The wheel of a flagpole – A pulley
संबंधित प्रश्न
Select the correct alternative:
For an ideal machine, the efficiency is
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
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?
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
