Possible Clues:

• Vehemence
• Hurricane-___ winds
• Word with task or air
• "Star Wars" power, with "the"
• The power of a waterfall
• Might, if there's a cold front about
• ''May the ___ be with you''
• Compulsion - police
• Royal Air - -
• The 'F' in the equation 'F = ma'