Engineering Machine - Engineering Machine objective questions and answers
16. The apparent weight of a man in moving lift is less than his real weight when it is going down with.......
A.uniform speed
B.an acceleration
C.some linear momentum
D.retardation
E.none of the above
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B.an acceleration
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17. In simple harmonic motion, accelration of a particle is proportional to.......
A.rate of change of velocity
B.displacement
C.velocity
D.direction
E.square of velocity
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18. The first law of motion provides the definition of.........
A.momentum
B.force
C.acceleration
D.nergy
E.none of the above
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19. The type of motion when the acceleration is proportional to displacement is called......
A.translation
B.rotational
C.gyroscopic
D.simple harmonic
E.noner of the above
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20. The enegry of damped oscillator.......
A.decreases linearly with time
B.increases linearly with time
C.decreases exponentially with time
D.increases exponentially with time
E.remains constant with time
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