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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A knife
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उत्तर
A knife – An inclined plane
संबंधित प्रश्न
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
What do you understand by a machine?
What is the principle on which a machine works?
Can a machine have an efficiency of 100%? Give a reason to support your answer.
What care would you take to increase the life span of a machine which you use?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
Define Simple machine
Write an expression for the mechanical advantage of an inclined plane.
Give an example of the following use of a machine to change the direction of force.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
