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bicycle
What else can I help you with?
What is the world's useful machine?
What the most useful machine is, is a matter of opinion. Some would argue that the wheel is the most useful machine, and others would argue that the lever is the most useful.
What does simple machine mean in science terms?
simple machine is a machine that is simple to use. :/
What simple machine would be most useful for moving a heavy box up and down a hill support the anwer?
A pulley
Why are simple machine very useful in doing work?
Simple machines are very useful in doing work as they speed up and increase production.
What is the most useful machine?
the lever
What is the worlds most useful machine?
the lever
How does input work and out put work affect the efficiency of a simple machine?
Input work is the work done on a machine, while output work is the work done by the machine. Efficiency of a simple machine is calculated as the ratio of output work to input work. The efficiency of a simple machine is high when the output work is close to the input work, indicating that the machine is converting most of the input work into useful output work.
What do you think is the most useful machine for a student?
The computer.
Which simple machine would be useful to attach wood?
A wedge would be best, specifically a nail or screw.
What the most use machine in the world?
The most useful object in the world is a screw. not kidding
Is an airplane a simple machine?
An airplane is not a simple machine. A lever is a simple machine. A wheel is a simple machine. Any machine that can be described by a mathematical formula is a simple machine.
Which element is most useful for making a simple compass?
Iron.
