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प्रश्न
Class II levers are designed to have ______.
पर्याय
M.A. = V.R.
M.A. > V.R.
M.A. > 1
M.A. < 1
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उत्तर
Class II levers are designed to have M.A. > 1.
Reason:
In class II levers, the load is in between the effort and fulcrum. Thus, the effort arm is always longer than the load arm and less effort is needed to overcome a large load. Hence, M.A > 1
संबंधित प्रश्न
The diagram below shows a lever in use:
- To which class of levers does it belong?
- Without changing the dimensions of the lever, if the load is shifted towards the fulcrum what happens to the mechanical advantage of the lever?
Name a machine to obtain gain in speed?
What is a lever?
Write down a relation expressing the mechanical advantage of a lever.
Give one example of a class I lever where mechanical advantage is more than one ?
Which type of levers have mechanical advantage always more than 1? Give reasons.
Give three examples for leavers of second order.
The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
Human-arm
In the diagram shown alongside a claw hammer, mark the fulcrum (F) and indicate the directions of load (L) and effort (E) with arrows. What class of lever is it? Give one more example of this class of lever.
