PLTW POE Simple Machines Part 1

Front

Which simple machine is NOT found in the object? Options: lever, wedge, wheel and axle, inclined plane

Back

wedge

Front

What kind of simple machine? Options: lever, wheel and axle, inclined plane, screw

Back

lever

Front

What are the units of force called?

Back

newtons

Front

If simple machines reduce the force needed to move an object, what trade-off must be made?

Back

increase the distance the force is applied

Front

The boy can lift the barrel or roll the barrel up the inclined plane. In which does he do more work?

Back

neither- both are the same amount

Front

A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.

Back

inclined plane

Front

Which is a screw?

Back

Front

Which is a first class lever?

Back

Front

Which is a third class lever?

Back

Front

What simple machine does this image BEST represent?

Back

A lever