Sharp EL-9600 sin B, T = W, S = W, sin A, Calculating Tension, Calculation, Flowchart, Parameters

EL-9600/9400 Graphing Calculator

Calculating Tension

Use the law of sines to find the tension when a pole of weight W is suspended with two strings, and the strings are balanced with the angles from the vertical line A and B.

Calculation

T			S			W
	=			=
sin B		sin A			sin (A+B)
T = W			sin B
			sin (A+B)
S = W			sin A
			sin (A+B)
T, S : tension				W : weight

S

B

vertical line

A T

B

G S

W

W

A, B : angles (6 sexagesimal numbers)

A

T

FLOWCHART

PROGRAMME LIST(REAL MODE)

Title : TENSION

Start

Entry

Calculation of denominator

Calculation of tensions

Enter angles and weight A, B and W.

Denominator in law of sines calculated. C= sin (A + B)

Tensions T and S calculated.

T= W sin B/C T = W sin A/C

Print "Input ANGLE Input A

Input B

Print "Input WEIGHT Input W

sin (A+B) C W sin B/C T W sin A/C S Print "TENSION Print "T=

Display of tensions Tensions T and S displayed.

Print T

Print "S=

Print S

End

PARAMETERS

Name of parameter	Content	Name of parameter	Content
A	angle A	S	tension S
B	angle B	T	tension T
C	sin(A+B)	W	weight

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