_________ is the rate at which work is done

The scientific unit of power = _________

The power needed to lift 550 pounds 1 foot in 1 second = 745.7 watts = __________

_________ __________ is a mechanical device for applying force

__________ __________ a ramp which lengthens a lifting motion

________ = an inclined plane wrapped round a pole

__________ = a double inclined plane thing at one end

__________ _____ __________ = a circular lever

_________ = wheels and strings used to spread out weight in lifting

_________ = a rode with a pivot

__________ = a place where a lever turns

__________ = the piece a lever touches to turn

__________ = the difference between work input and work output

__________ ___________ = how much easier it is to do work using a simple machine

__________ ___________ __________ = multiplied force (without friction

__________ __________ __________ = multiplied force (with friction)

__________ = comparison by division

__________ is when you use a force to move an object a distance.