Year 8 Levers and moments

The word ‘fulcrum’ is another name for what?

• load

• effort

• pivot

• middle

True or false:

The weight of a person sitting on a see-saw is known as the load.

• true

• false

Complete:

Moment = ___ x distance from ___.

• pivot, force

• load, pivot

• force, pivot

• force, middle

True or false:

A small force moved over a large distance results in a large force moved over a small distance.

• true

• false

What are the units of (turning) moments?

• nm

• mn

• Mn

• Nm

True or false:

A person lifting the handles of a wheelbarrow is applying effort.

• true

• false

True or false:

The bigger the force the lower the turning effect.

• true

• false

Where is the pivot on a wheelbarrow

• the handles

• where the contents of the wheelbarrow

• where the wheel is

True or false:

A force is generated when a molecule of a gas or liquid hits an object.

• true

• false

Complete:

The ___ is the force someone is applying to a lever.

• load

• effort

• force