Advertisements
Advertisements
प्रश्न
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
उत्तर
| L | E | V | E | R |
APPEARS IN
संबंधित प्रश्न
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?
Answer the following.
What is a machine?
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
How does a machine work?
Give an example of the following use of a machine to obtain gain in force.
A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons, whether the weight of the scale is greater than, less than or equal to the weight of mass M.
Classify the following as a lever, a pulley and an inclined plane:
A staircase
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Why is this so machines have to be maintained?
