The distance of the effort from the fulcrum is called the ________.
Effort arm
A lever turns about a fixed pivot point called the fulcrum, and the effort and the load act at different distances from that pivot.
These distances are what give the lever its turning ability, so each has a specific name in mechanics.
The perpendicular distance from the fulcrum to the point where the effort is applied is called the effort arm.
The corresponding distance from the fulcrum to the load is the load arm, so the two must not be confused.
The mechanical advantage of the lever is the ratio of the effort arm to the load arm, so a longer effort arm lets a smaller effort raise a given load.
Load arm names the wrong distance here, while mechanical arm and lever length are not the standard terms for the distance from the fulcrum to the effort.
Hence, the answer is Effort arm.
Similar Questions
In Lever, mechanical advantage is the ratio of _______.
Which of the following is an example of a second class lever?
Which of the following is an example of a first class lever?
If we compare the effort arm length with the load arm length in a class 1 lever, ________
If we compare the effort arm length with the load arm length in a Class 2 lever, _______.
A pair of plier and scissor are together considered as a _______ Class 1 lever.
- The force applied to overcome a load is called ______.
- In class 1 levers, effort and load moves in ______.
A ramp is used to lift a box to a platform 2 m high. To reduce the effort required, the ramp length is increased from 4 m to 8 m. Assuming negligible friction, what remains unchanged?
The effort in a class 1 lever is in __________ direction(s).
Important Questions from Levers and Simple Machines
In Lever, mechanical advantage is the ratio of _______.
The maximum efficiency of a machine
What is the maximum mechanical advantage of a lifting machine?
(where m is a constant called coefficient of friction).
Which one of the following is CORRECT statement about Simple machines?
A simple machine will be self-locking, if its efficiency is:
