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Work and Power

Horizontales
Slanted surface along which a force moves an object to a different elevation
Device that changes a force
Doing work at a faster rate requires ______ (more or less) power
The rate of doing work
Two or more simple machines that work together.
The output force x the output distance
Output force/input force
Which requires more work? Snowblower or shoveling
Force x Direction=
A drill would NOT be considered a machine because it makes work easier. (true or false)
Simple machine that consists of rope that fits into a groove in a wheel
V shaped object whose sides are inclined panes sloped towards each other.
The force you exert on a machine
Verticales
The mechanical advantage in the absence of friction.
Machines make work ______ to do
Unit that work is recorded in
The percentage of the work input that becomes work output
The force that is exerted by a machine
The distance the input force acts through
Simple machine that has 2 disks or cylinders, each one with a different radius.
1 _________ = 746 watts
A rigid bar that is free to move around a fixed point
Work/time
The object must move in order for work to have been done. True or false