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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
विकल्प
True
False
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उत्तर
False.
There are six types of simple machines.
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संबंधित प्रश्न
Select the correct alternative:
For an ideal machine, the efficiency is
What do you understand by a machine?
Answer the following in short.
Mention any two methods by which we can take care of machines.
Define Simple machine
How does a machine work?
Classify the following as a lever, a pulley and an inclined plane:
A needle
Classify the following as a lever, a pulley and an inclined plane:
A staircase
Which machine will you use to do the following work? Write their type.
To cut vegetables.
The idea of a simple machine originated with the Greek philosopher Archimedes.
Name a machine for each of the following uses:
- to multiply the force,
- to change the point of application of force,
- to change the direction of force,
- to obtain the gain in speed.
