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प्रश्न
What is meant by simple machines?
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उत्तर
Machines that have only one or two parts are called simple machines. Their structure is easy to understand and use. Examples include the nail cutter, bottle opener, and wheel used to push loads, etc.
संबंधित प्रश्न
State whether the following statement is True or False.
In an ideal machine, work done on load is equal to the work done by effort.
Name six simple machines. Give an example of each machine.
What is an ideal machine?
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 Mechanical advantage
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
Give an example of the following use of a machine to obtain gain in force.
Give an example of the following use of a machine to change the direction of force.
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N. However, when the point of application of the effort moves through 2.5 m, the load gets raised through 10 cm only. What are the values of the:
(i) M.A.
(ii) V.R. and
(iii) Efficiency of the machine?
Classify the following as a lever, a pulley and an inclined plane:
Scissors
