Work simple machines

Front

Work = force x _______________

Back

distance

Front

Is work being done mowing the lawn?

Back

True

Front

Is work being done when pushing on a wall?

Back

No

Front

A screw is an inclined plane wrapped around a cylinder.

Back

True

Front

The force you exert on the object is called the ________ force.

Back

input

Front

What is a simple machine that has 2 incline planes back to back?

Back

wedge

Front

The position of the _______ determines what lever it is.

Back

fulcrum

Front

Incline planes...

Back

All of the above: are sloping surfaces, make our life easier, use less effort but more distance.

Front

Which type of lever is this with the fulcrum in the middle?

Back

First

Front

If you can't lift the load with a 1st class lever, you should...

Back

move the fulcrum closer to the load