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The force exerted by a machine is called the __________ force.
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
Which is the best scientific definition of a machine?
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
The wedge, screw, and lever are all
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
Power is measured in units called
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
You do ___________ on an object when you lift it of the floor and onto a shelf.
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
A machine can never be 100% efficient because some work is lost due to
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
The ideal mechanical advantage for an inclined plane is equal to the length of the inclined plane divided by the
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
One example of a compound machine is a
friction
output
a machine makes work easier by changing force, distance, or direction
work
simple machines
bicycle
height of the inclined plane
watts
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