No British force now requires its recruits to be of any minimum height.

This force does not require the particle to be charged.

The Sardaukar forces require my presence for a major operation.

In general, the more complicated the wrap, the stronger the force of friction and the less effort required to hold oneself up.

Many forces also require directly quoted speech to be written in capitals.

Some forces require the officer to write down what he or she said during the incident.

Our forces will be spread, and that requires lines of communication.

Allied forces on the European continent required a tremendous amount of fuel.

The administration had asked Congress for an immediate $20 billion to begin building the military and intelligence force required to start the antiterror campaign.

The other two forces require us to modify the equations above that we have for viscosity.