Work simple machines

Front

What is a simple machine?

Back

A simple machine is a device that changes the direction or magnitude of a force, making work easier. Examples include levers, pulleys, and inclined planes.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine consisting of a larger wheel attached to a smaller axle, allowing for easier movement or lifting of objects.

Front

Give an example of a wheel and axle.

Back

A pizza cutter is an example of a wheel and axle.

Front

What is the formula for work?

Back

Work = force x displacement.

Front

What is displacement in the context of work?

Back

Displacement is the distance moved in a specific direction.

Front

What determines the class of a lever?

Back

The position of the fulcrum determines which class a lever is.

Front

What is a fulcrum?

Back

A fulcrum is the pivot point around which a lever rotates.

Front

Is mowing the lawn considered work?

Back

True, work is being done when mowing the lawn.

Front

What is a wedge?

Back

A wedge is a simple machine that consists of two inclined planes put together, used to split or lift objects.

Front

What is the purpose of a lever?

Back

A lever is used to lift or move loads with less effort.