Engineering Mechanics Test Questions

Q.  If an elevator travels at constant velocity, the normal reaction R is given as ______

a. m (g +a)
b. m (g - a)
c. mg
d. ma


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Slenderness ratio is the ratio of effective length of column and ________
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MCQs:  Principal stress is the magnitude of ________ stress acting on the principal plane.
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