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That answer is somewhat trivial:

Hard disks and optical drives are contact-less technologies - Nothing touches (or is even allowed to touch) the media while it spins. On a hard disk or CD-ROM, the heads touching the media would end up with catastrophic effects.

Floppys and tape drives are different. The heads are constantly touching the media directly while it moves. You obviously want this to happen at a much lower relative speed to avoid wear on both the heads and media - Even if floppy disks were specifically teflon-coated to remove friction.

"Really floppy" disks of the 8" and 5-1/4" type also have constant friction between inner sleeve and media while rotating. That has somewhat improved with hard-case technologies of the 3" and 3-1/2" type.

In a sense, floppies are like hard disks, but designed to survive a constant head crash.

That answer is somewhat trivial:

Hard disks and optical drives are contact-less technologies - Nothing touches (or is even allowed to touch) the media while it spins. On a hard disk or CD-ROM, the heads touching the media would end up with catastrophic effects.

Floppies and tape drives are different. The heads are constantly touching the media directly while it moves. You obviously want this to happen at a much lower relative speed to avoid wear on both the heads and media - Even if floppy disks were specifically teflon-coated to remove friction.

"Really floppy" disks of the 8" and 5-1/4" type also have constant friction between inner sleeve and media while rotating. That has somewhat improved with hard-case technologies of the 3" and 3-1/2" type.

In a sense, floppies are like hard disks, but designed to survive a constant head crash.

That answer is somewhat trivial:

Hard disks and optical drives are contact-less technologies - Nothing touches (or is even allowed to touch) the media while it spins. On a hard disk or CD-ROM, the heads touching the media would end up with catastrophic effects.

Floppys and tape drives are different. The heads are constantly touching the media directly while it moves. You obviously want this to happen at a much lower relative speed to avoid wear on both the heads and media - Even if floppy disks were specifically teflon-coated to remove friction.

In a sense, floppies are like hard disks, but designed to survive a constant head crash.

That answer is somewhat trivial:

Hard disks and optical drives are contact-less technologies - Nothing touches (or is even allowed to touch) the media while it spins. On a hard disk or CD-ROM, the heads touching the media would end up with catastrophic effects.

Floppys and tape drives are different. The heads are constantly touching the media directly while it moves. You obviously want this to happen at a much lower relative speed to avoid wear on both the heads and media - Even if floppy disks were specifically teflon-coated to remove friction.

"Really floppy" disks of the 8" and 5-1/4" type also have constant friction between inner sleeve and media while rotating. That has somewhat improved with hard-case technologies of the 3" and 3-1/2" type.

In a sense, floppies are like hard disks, but designed to survive a constant head crash.

That answer is somewhat trivial:

Hard disks and optical drives are contact-less technologies - Nothing touches (or is even allowed to touch) the media while it spins. On a hard disk or CD-ROM, the heads touching the media would end up with catastrophic effects.

Floppys and tape drives are different. The heads are constantly touching the media directly while it moves. You obviously want this to happen at a much lower relative speed to avoid wear on both the heads and media.

In a sense, floppies are like hard disks, but designed to survive a constant head crash.

That answer is somewhat trivial:

Hard disks and optical drives are contact-less technologies - Nothing touches (or is even allowed to touch) the media while it spins. On a hard disk or CD-ROM, the heads touching the media would end up with catastrophic effects.

Floppys and tape drives are different. The heads are constantly touching the media directly while it moves. You obviously want this to happen at a much lower relative speed to avoid wear on both the heads and media - Even if floppy disks were specifically teflon-coated to remove friction.

In a sense, floppies are like hard disks, but designed to survive a constant head crash.