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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A wedge
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उत्तर
A wedge – An inclined plane
संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Answer the following in short.
Mention any two methods by which we can take care of machines.
Give a reason for the following.
Machines are able to make our work convenient.
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 .
Define Simple machine
Define Efficiency
Define mechanical advantage (M.A.) of the machine.
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
Why is this so machines have to be maintained?
