21. A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?
A. parabola
B. catenary
C. cycloid
D. ellipse
✅ The correct answer is option A.
Applied Mechanics and Graphic Statics MCQs
22. The angular speed of a car while taking a circular turn of radius 100m at 36 km/hour, is_______________?
A. 0.1 radian/sec
B. 1 radian/sec
C. 100 radian/sec
D. 1000 radian/sec
✅ The correct answer is option A.
23. Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?
A. 2 m/sec and 2 m/sec
B. 3 m/sec and 2 m/sec
C. 3 m/sec and 3 m/sec
D. 4 m/sec and 6 m/sec
✅ The correct answer is option B.
24. A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?
A. 1
B. 100
C. 1/100
D. 1/10000
✅ The correct answer is option A.
25. In a simple harmonic motion, the position of equilibrium is always_________________?
A. stable
B. unstable
C. neutral
D. none of the above
✅ The correct answer is option A.
26. If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
A. be in equilibrium
B. always reduce to a resultant force
C. always reduce to a couple
D. both (A) and (C)
✅ The correct answer is option B.
27. 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 correct answer is option A.
28. A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?
A. less than (1/3) tan 0
B. less than (2/3) tan 0
C. less than (1/3) sin 6
D. less than (2/3) sin 6
✅ The correct answer is option A.
29. A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec2)______________________?
A. 15 m/sec
B. 25 m/sec
C. 40 m/sec
D. 50 m/sec
✅ The correct answer is option B.
30. The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________?
A. supports
B. quarter span
C. mid span
D. none of the above
✅ The correct answer is option A.