A machine has a mechanical advantage of 4.5. What force is put out by the machine if the force applied to the machine is 800 N?

0.006 N

180 N

805 N

3600 N

The two strength factors that relate to all three competitive forces are

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A diffraction grating contains 15,000 lines/inch. We pass a laser beam through the grating. The wavelength of the laser is 633 nm. On a screen 2.66m away, we observe spots of light.

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