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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
Scissors
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उत्तर
Scissors – A lever
संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
Can a machine have an efficiency of 100%? Give a reason to support your answer.
What is the purpose of a jack in lifting a car by it?
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
Classify the following as a lever, a pulley and an inclined plane:
A slide
Classify the following as a lever, a pulley and an inclined plane:
A crane
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
______ help us to make work easier.
