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Electromagnets can be turned off and off
You get mechanical advantage by the slope of the ramp. You move the object horizontally and raise the object slowly as you do so.
The advantage to using an incline plane (ramp) is that it reduces the amount of work.
Can be turned off
Can be turned on and off.
The advantage is that force is lessened over a longer distance. The longer the inclined plane, the higher the mechanical advantage.
Precise determination of species and clarity of communication.
to make the plants healthier
dvd gives better quality...!
The area of illumination is larger.
Using mechanical advantage to offer a large lifting force from a much smaller input force, essentially an inclined plane or wedge.
because it is more portable
Electromagnets can be turned off and off
You get mechanical advantage by the slope of the ramp. You move the object horizontally and raise the object slowly as you do so.
because it is more portable
It produces vivid color prints
There is none.