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प्रश्न
Identify and mention the types of simple machines.
 |
 |
 |
| ______ | ______ | _______ |
 |
 |
 |
| ______ | ______ | ______ |
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उत्तर
|
|
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| Wedge | Inclined plan | Lever |
|
|
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| Wheel and axle | Pulley | Screw |
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संबंधित प्रश्न
When is work said to be done by a force?
What do you understand by a simple machine?
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
Establish a relationship between efficiency, M.A., and V.R.
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N. However, when the point of application of the effort moves through 2.5 m, the load gets raised through 10 cm only. What are the values of the:
(i) M.A.
(ii) V.R. and
(iii) Efficiency of the machine?
Classify the following as a lever, a pulley and an inclined plane:
A slide
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Why is this so traveller’s bags have wheels?
______ help us to make work easier.
