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प्रश्न
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
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उत्तर
The fulcrum in the centre, the load on one side and the effort on the other side make a lever of the first order.
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.
Answer the following.
What do you understand by a complex machine?
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
Define mechanical advantage (M.A.) of the 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:
The wheel of a flagpole
Classify the following as a lever, a pulley and an inclined plane:
Scissors
What is meant by simple machines?
