Energy Transformations — Unit test Answers

2 verified answers

Which is a compound machine?

a broom

a screwdriver

a slide

a pair of scissors

The diagram shows a lever.

The table shows dimensions of four wheel and axles.

Y, X, W, Z

Z, W, X, Y

Z, X, W, Y

Y, Z, W, X

Teeth are an example of which type of simple machine?

lever

wedge

inclined plane

pulley

Which simple machine turns about a fixed point called a fulcrum?

a pulley

a lever

a screw

a wedge

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