Advertisements
Advertisements
प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A staircase
Advertisements
उत्तर
A staircase – An inclined plane
संबंधित प्रश्न
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
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 an ideal machine?
Give an example of the following uses of a machine:
to obtain gain in speed
Give an example of the following use of a machine to obtain gain in force.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
Why is this so traveller’s bags have wheels?
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
Name some simple machines.
