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प्रश्न
The diagram below shows a claw hammer used to remove a nail :
(i) To which class of lever does it belong ?
(ii) Give one more example of the same class of lever mentioned by you in (i) for which the mechanical advantage is greater than one.
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उत्तर
(i) First order lever
(ii) See saw
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संबंधित प्रश्न
Name a machine to multiply force ?
Name a machine to change the point of application of force ?
State the incorrect statement:
A force of 5 kgf is required to cut a metal sheet. A pair of shears used for cutting the metal sheet has its blades 5 cm long, while its handles is 10 cm long. What effort is needed to cut the sheet?
Name a machine which is used to multiply speed ?
What is the purpose of a machine?
Give an example for each of the following uses of a machine:
to obtain gain in force,
Stat the principle of an ideal machine.
Complete the following sentence :
A scissors is a ___________ multiplier.
What is a machine?
