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Strength of Materials Mcqs
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>> The effort required to lift a load W on a screw jack with helix angle a and angle of friction
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Q. The effort required to lift a load W on a screw jack with helix angle a and angle of friction
a.
Wtan(a + )
b.
Wtan(a-)
c.
Wcos(a + )
d.
Wsin(a + )
e.
W (sin a + cos )
ANSWER: Wtan(a + )
Answer & Explanation
No explanation is available for this question!
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