103
Program code Key operations
E=sin(C+D) ; E ; = v ( ; C
+ ; D ) e
S=W ˚ sin C©E @ a S = W ; k v
; C z ; E e
T=W ˚ sin D©E @ a T = W ; k v
; D z ; E e
Print”TENSIONS i 1 @ a TENSIONS ;
e
Print S i 0 ; S e
Wait i 3 e
Print T i 0 ; T e
End i 5 e
Example
Calculate the tension in the strings S and T when the weight of the bar is
40 kg, angle A: 30° 15' 20" and angle B: 27° 45' 40".
4. Press j @ J 0 0 to set the angular unit to DEG,
then @ J 1 0 3 to set display to fixed mode with the
decimal point of 3 .
• In this program input angles by degree/minute/second format. They will
be automatically converted to decimal degrees.
5. Press b 2 0, select the program ‘TENSION’ and press
e.
6. Enter 30 [ 15 [ 20 for angle A and press e.
7. Enter 27 [ 45 [ 40 for angle B and press e.
8. Enter 40 for weight W and press e for S.
9. Press e for T.
Results
Tension in the strings S and T are 23.761 kg
and 21.966 kg, respectively.
Chapter 8: Application Examples
23.761
T=
21.966
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