Like if you take a wrench and attach a long pipe to it so you can more easily turn whatever the wrench is holding. I just have trouble understanding how making the ‘arm’ longer increases the force on the pivot without you having to push any harder on the end of the arm.
In: Physics
Torque!
Work = Force * Distance
Longer lever arm (long pipe in your example) increases distance. This means less force needed for the same amount of work.
Note: I am *not* a physics guy—someone more qualified please help out if this is wrong! I’m sure there’s something I may have missed in the explanation.
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