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प्रश्न
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
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उत्तर
To remove the lid of a tin, a tin opener or can opener, which is a second-order lever machine, is used.
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.
A machine is 75% efficient’. What do you understand by this statement?
Answer the following.
What do you understand by a complex machine?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
What do you understand by a simple machine?
Why is a machine not 100% efficient?
What is an ideal machine?
Classify the following as a lever, a pulley and an inclined plane:
A wedge
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
The idea of a simple machine originated with the Greek philosopher Archimedes.
