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प्रश्न
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
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उत्तर
To hold a papad for roasting, we should use a pair of tongs, which is a third-order lever.
संबंधित प्रश्न
What is an ideal machine?
State if the following statement is true or false. Correct the statement if it is false.
Work done by a machine is always more than the work done on a machine.
What do you understand by a simple machine?
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
What is an ideal machine?
Define Efficiency
Define mechanical advantage (M.A.) of the machine.
A cook used a ‘fire tong pair’ of length 32 cm. to lift a piece of burning coal of mass 500 g. If he applies his effort at a distance of 8 cm from the fulcrum, what is his effort? Assume friction etc. to be absent. Also, obtain values of the M.A. and the V.R. of this ‘machine’.
Why is this so machines have to be maintained?
Rearrange the letters and find out the name of the tool.

R L E V E
| ______ | ______ | ______ | ______ |
