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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
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उत्तर
Nutcrackers – A lever
संबंधित प्रश्न
Define the term ‘work input’ and ‘work output’ in relation to a machine.
A machine is 75% efficient’. What do you understand by this statement?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
show a nut cracker In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E .

Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
What is the efficiency of a machine?
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?

Classify the following as a lever, a pulley and an inclined plane:
A slide
Classify the following as a lever, a pulley and an inclined plane:
An axe
Identify and mention the types of simple machines.
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| ______ | ______ | _______ |
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| ______ | ______ | ______ |






