What do machines do?

Pulling down on a rope to hoist a sail on a sailboat is an example of a machine

The mechanical advantage of a machine is the number of times a machine increases

Without friction there would be

An ideal machine would have an efficiency of

A ramp is an example of a simple machine called a(an)

TThe ideal mechanical advantage for an inclined plane is equal to the length of the incline divided by the

Which of these is an example of a third-class lever?

A machine that utilizes two or more simple machines is called a

One example of a compound machine is a

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