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प्रश्न
Identify and mention the types of simple machines.
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| ______ | ______ | _______ |
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| ______ | ______ | ______ |
उत्तर
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| Wedge | Inclined plan | Lever |
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| Wheel and axle | Pulley | Screw |
APPEARS IN
संबंधित प्रश्न
Name six simple machines. Give an example of each machine.
Why is a machine not 100% efficient?
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
Give an example where a machine is used to obtain gain in speed.
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?
Classify the following as a lever, a pulley and an inclined plane:
A knife
What is a lever? How are the orders of the lever determined?
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
