The term “score” as a unit of measurement dates back to ancient times and is famously known from Abraham Lincoln’s Gettysburg Address, in which he refers to “four score and seven years ago,” meaning 87 years. A score traditionally signifies a group of 20, which has its origins in Old Norse with the word “skor,” referring to a notch, tally, or mark made for counting. Interestingly, this concept of counting in groups of 20 can be traced back to shepherds who would keep track of their flocks by marking a notch every 20 sheep in a counting stick.
Scores have also found their way into cultural contexts. For instance, the term “score” is used in sports and games to indicate points. In this sense, it symbolizes not just a numerical value but the essence of achievement and success. By linking numeric value to milestones, score as a unit demonstrates the interplay between language and cultural development over centuries.
The “couple” is an intriguing unit that measures torque, essentially describing a pair of equal and opposite forces acting on a body in parallel planes. Despite its relatively obscure use in modern contexts compared to units like the newton-meter, the concept of a couple is fundamental in engineering and physics. It is vital in the analysis of systems that require rotational movements, such as gears, engines, and propeller shafts, highlighting the unit’s significance in various mechanical and structural applications.
Interestingly, what’s unique about a couple is that its effectiveness is independent of the point of rotation. This property allows engineers to simplify complex systems, focusing purely on the magnitude and direction of rotation rather than the specific pivot point, making their calculations both practical and efficient.
Scores | Couples |
---|---|
0
scores
|
0
cp
|
0.5
scores
|
5
cp
|
1
scores
|
10
cp
|
1.5
scores
|
15
cp
|
2
scores
|
20
cp
|
2.5
scores
|
25
cp
|
3
scores
|
30
cp
|
3.5
scores
|
35
cp
|
4
scores
|
40
cp
|
4.5
scores
|
45
cp
|
5
scores
|
50
cp
|
5.5
scores
|
55
cp
|
6
scores
|
60
cp
|
6.5
scores
|
65
cp
|
7
scores
|
70
cp
|
7.5
scores
|
75
cp
|
8
scores
|
80
cp
|
8.5
scores
|
85
cp
|
9
scores
|
90
cp
|
9.5
scores
|
95
cp
|
10
scores
|
100
cp
|
10.5
scores
|
105
cp
|
11
scores
|
110
cp
|
11.5
scores
|
115
cp
|
12
scores
|
120
cp
|
12.5
scores
|
125
cp
|
13
scores
|
130
cp
|
13.5
scores
|
135
cp
|
14
scores
|
140
cp
|
14.5
scores
|
145
cp
|
15
scores
|
150
cp
|
15.5
scores
|
155
cp
|
16
scores
|
160
cp
|
16.5
scores
|
165
cp
|
17
scores
|
170
cp
|
17.5
scores
|
175
cp
|
18
scores
|
180
cp
|
18.5
scores
|
185
cp
|
19
scores
|
190
cp
|
19.5
scores
|
195
cp
|
20
scores
|
200
cp
|
20.5
scores
|
205
cp
|
21
scores
|
210
cp
|
21.5
scores
|
215
cp
|
22
scores
|
220
cp
|
22.5
scores
|
225
cp
|
23
scores
|
230
cp
|
23.5
scores
|
235
cp
|
24
scores
|
240
cp
|
24.5
scores
|
245
cp
|
25
scores
|
250
cp
|
25.5
scores
|
255
cp
|
26
scores
|
260
cp
|
26.5
scores
|
265
cp
|
27
scores
|
270
cp
|
27.5
scores
|
275
cp
|
28
scores
|
280
cp
|
28.5
scores
|
285
cp
|
29
scores
|
290
cp
|
29.5
scores
|
295
cp
|
30
scores
|
300
cp
|
30.5
scores
|
305
cp
|
31
scores
|
310
cp
|
31.5
scores
|
315
cp
|
32
scores
|
320
cp
|
32.5
scores
|
325
cp
|
33
scores
|
330
cp
|
33.5
scores
|
335
cp
|
34
scores
|
340
cp
|
34.5
scores
|
345
cp
|
35
scores
|
350
cp
|
35.5
scores
|
355
cp
|
36
scores
|
360
cp
|
36.5
scores
|
365
cp
|
37
scores
|
370
cp
|
37.5
scores
|
375
cp
|
38
scores
|
380
cp
|
38.5
scores
|
385
cp
|
39
scores
|
390
cp
|
39.5
scores
|
395
cp
|
40
scores
|
400
cp
|
40.5
scores
|
405
cp
|
41
scores
|
410
cp
|
41.5
scores
|
415
cp
|
42
scores
|
420
cp
|
42.5
scores
|
425
cp
|
43
scores
|
430
cp
|
43.5
scores
|
435
cp
|
44
scores
|
440
cp
|
44.5
scores
|
445
cp
|
45
scores
|
450
cp
|
45.5
scores
|
455
cp
|
46
scores
|
460
cp
|
46.5
scores
|
465
cp
|
47
scores
|
470
cp
|
47.5
scores
|
475
cp
|
48
scores
|
480
cp
|
48.5
scores
|
485
cp
|
49
scores
|
490
cp
|
49.5
scores
|
495
cp
|
50
scores
|
500
cp
|
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