There are ___ types of simple machines.

Which of these cannot be done by a machine?

In an ideal machine, the work input ___ work output

The ___ of a machine is the number of times it multiplies the effort force.

To raise a resistance 4 m, the effort rope of a single fixed pulley must move ___.

The ideal mechanical advantage of a pulley system in which five ropes support an object is ___

In a wheel and axle, the resistance force is usually exerted by the ___.

The IMA of an inclined plane 8 m long and 2 m high is ___.

As the efficiency of a machine increases, the ___ of the machine increases.

The IMA of an inclined plane can increased by ___.

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