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.Management Sciences
Category: Applied Mechanics and Graphic Statics
Minimum pull in a suspended cable with supports at two ends is equal to____________________?
0
A. horizontal thrust
B. support reactions
C. resultant of horizontal thrust and support reaction
D. half the weight of the cable
A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is___________________?
A. 4.5 J
B. 9.0 J
C. 12.0 J
D. 18.0 J
The force polygon representing a set of forces in equilibrium is a_____________________?
A. triangle
B. open polygon
C. closed polygon
D. parallelogram
The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is_______________?
A. less than 1
B. equal to 1
C. between 1 and 2
D. greater than 2
The dimensions of Gravitational Universal constant ‘G’ are______________?
A. M-‘L2r2
B. M-‘L3r2
C. M-2L3T2
D. M’L3T2
In SI units, the units of force and energy are respectively___________________?
A. Newton and watt
B. Dyne and erg
C. Newton and joule
D. kg-wt and joule
A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is_______________?
A. (1/3) g sin0
B. (2/5) g sin 0
C. (3/7) g sin 0
D. (5/7) g sin0
where g is acceleration due to gravity
A system of copianar forces acting on a rigid body can be reduced to________________?
A. one force only
B. one couple only
C. one force and one couple only
D. none of the above
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