Applied Mechanics and Graphic Statics MCQs

91. A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will____________________?

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A. never meet
B. meet after 1 sec
C. meet after 5 sec
D. meet after 10 sec
✅ The correct answer is option D.

92. When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?

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A. straight line and parabola
B. straight line and circle
C. circle and straight line
D. circle and parabola
✅ The correct answer is option C.

93. It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to_________________?

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A. f
B. 1/f
C. 1/f2
D. f2
✅ The correct answer is option D.

97. A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is______________________?

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A. 3/4
B. 4/5
C. 5/3
D. 3/5
✅ The correct answer is option D.

100. A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?

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A. 4
B. 6 7i
C. 8TC
D. 8
✅ The correct answer is option C.