Advertisements
Advertisements
प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
An opener
Advertisements
उत्तर
An opener – A lever
संबंधित प्रश्न
State whether the following statement is True or False.
In an ideal machine, work done on load is equal to the work done by effort.
What is the principle on which a machine works?
Answer the following.
What do you understand by a complex machine?
Why is a machine not 100% efficient?
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
What is the efficiency of an ideal machine?
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
What is the efficiency of a machine?
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
