Possible Clues:

• Physics 12-Down
• Bit of energy?
• Therefore loses nothing but a little bit of work
• Just a bit of work, therefore one gets around to it
• Energy expended, so is short
• Foot-pound fraction
• A bit of energy would be needed to get five hundred t the lough
• Some work contributing, either way, to greater good
• Calorie fraction
• Joule kin