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Question #576

Using the diagram, identify value A for a two-leg sling:

W oparciu o przedstawiony rysunek wskaż wartość A dla zawiesia dwucięgnowego:

Using the diagram, identify value A for a two-leg sling:Open full-size illustration
a
120%

120%

b
90%

90%

c
70%

70%

Correct answer

d
10%

10%

Why?

At 45° from vertical, the two-leg sling (zawiesie dwucięgnowe) retains approximately 70% of the capacity of the vertical-leg arrangement marked 100%. This follows from cos 45° ≈ 0.707. The diagram assigns 90% to 30°, not 45°.

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