Applied Mechanics - Applied Mechanics objective questions and answers
1. when a body in equilibrium undergoes an infinitely small displacement work imagined to be done, is known as
A. Imaginary work
B. Negative work
C. Virtual work
D. None of these
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C. Virtual work
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2. If the angle between the applied force and the direction of motion of a body is between 90o and 180o, the work done is called
A. Virtual work
B. Imaginary work
C. Zero work
D. Negative work
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3. If the gravitational acceleration at any place is doubled, the weight of a body will
A. Be reduced to half
B. Be doubled
C. Not be affected
D. None of these
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4. The locus of the instantaneous centre of a moving rigid body, is
A. Straight line
B. Involute
C. Centroid
D. Spiral
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5. The motion of a bicycle wheel is
A. Translatory
B. Rotary
C. Rotary and translatory
D. Curvilinear
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