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A machine can never be 100% efficient because some work is lost due to
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
A simple machine that might be thought of as an inclined plane that moves is a
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
One example of a compound machine is a
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
A device that is twice as powerful as another can do ___________ the amount of work in the same time.
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
You do ___________ on an object when you lift it of the floor and onto a shelf.
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
Power is measured in units called
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
The ideal mechanical advantage for an inclined plane is equal to the length of the inclined plane divided by the
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
The force exerted by a machine is called the __________ force.
work
bicycle
wedge
watts
output
friction
height of the inclined plane
twice
Check it!