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Is it possible for a first or second class lever to have a mechanical advantage less than one?
Yes, it is possible for a first or second class lever to have a mechanical advantage less than one. This occurs when the effort arm is shorter than the resistance arm in a first-class lever or when the effort arm is longer than the resistance arm in a second-class lever. In these cases, the force applied might be greater than the load but the lever will have a mechanical advantage less than one.
Does a second class lever always has an input force that is less than the output force?
Yes, in a second-class lever, the input force is always smaller than the output force. This lever configuration allows for a mechanical advantage, making it easier to lift heavy loads with less effort. Examples of second-class levers include wheelbarrows and nutcrackers.
The mechanical advantage of a second class lever?
The mechanical advantage of a second-class lever is always greater than 1. This means that the output force is greater than the input force, making it advantageous for lifting heavy loads. Examples of second-class levers include wheelbarrows and nutcrackers.
What is less than a picosecond?
I'm tempted to reply ½ a pecosecond(!) However, I think you're asking what is the next description below pecosecond; it is a femtosecond (10−15 second). There are 1000 femtoseconds in a pecosecond.
What object is less than a kilogram?
A baseball is less than a kilogram.
