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When two or more simple machines work together, they are called a (n) ________________.

Which one of the following is NOT an example of work being done?

A fixed single pulley that is used to lift a block does which one of the following?

A machine that changes only the direction of a force has a mechanical advantage of ___.

A lever with a mechanical adantage greater than 1 is used to ____________________.

A green plant has __________ energy.

If you blow between two table tennis balls suspended about 2 cm apart, the balls will __________.

A winding mountain road is an example of a

Three of the following simple machines are basically the same. The one that does NOT belong with the group is the ____________________.

As an object sinks in a fluid, the buoyant force _______________.

A bar that is free to pivot about a fixed point is a _____________ .

Unlike other forms of energy, thermal energy is hard to ______________.

When a rubber band is stretched, it has ___________ energy.

As the speed of a fluid increases, ____________.

The amount by which a machine multiplies an input force is called the ____________.

A slanted surface used to raise an object is a (n) _______________.

If you are standing on both feet and then stand on one foot, you have ___________ the pressure on the ground.

The work output of a machine divided by the work input is the ______________ of the machine.

A kite stuck in a tree has ______________ energy.

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