Work/Power/Simple Machines Vocab (ESL)

Front

Unit of work: __________

Back

Joule, J

Front

Rate at which work is done

Back

Power

Front

Scientific unit of power = ?

Back

Watt, W

Front

Power to lift 550 lbs 1 ft in 1 sec = 745.7 watts = __________

Back

Horsepower

Front

Mechanical device for applying force: __________ __________

Back

Simple Machine

Front

__________ __________ a ramp which lengthens a lifting motion

Back

Inclined Plane

Front

Inclined plane wrapped around a pole

Back

Screw

Front

__________ = a double inclined plane at one end

Back

Wedge

Front

Circular lever = __________

Back

Wheel and Axle

Front

Wheels and strings used to spread out weight in lifting

Back

Pulley