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  • Question
  • When a body of mass M1 is hanging freely and an other of mass M2 lying on a smooth inclined plane(?) are connected by a light indextensible string passing over a smooth pulley, the acceleration of the body of mass M1, will be given by


  • Options
  • A. When a body of mass M1 is hanging freely and an other of mass M2 lying on a smooth inclined plane(?)
  • B. When a body of mass M1 is hanging freely and an other of mass M2 lying on a smooth inclined plane(?)
  • C. When a body of mass M1 is hanging freely and an other of mass M2 lying on a smooth inclined plane(?)
  • D. When a body of mass M1 is hanging freely and an other of mass M2 lying on a smooth inclined plane(?)

  • Correct Answer
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  • Applied Mechanics problems


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    • 1. The shape of a suspended cable under its own weight, is

    • Options
    • A. parabolic
    • B. circular
    • C. catenary
    • D. elliptical.
    • Discuss
    • 2. The resolved part of the resultant of two forces inclined at an angle ? in a given direction is

    • Options
    • A. algebraic sum of the resolved parts of the forces in the direction
    • B. arithmetical sum of the resolved parts of the forces in the direction
    • C. difference of the forces multiplied by cosine ?°
    • D. sum of the forces multiplied by the sine ?
    • E. sum of the forces multiplied by the tangent ?°.
    • Discuss
    • 3. Equation of motion of a point in a straight line, is

    • Options
    • A. v = u + ft
    • B. S = ut + ft2
    • C. 2fS = v2 - u2
    • D. all the above.
    • Discuss
    • 4. Ball A of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball B on the table. If the impact is perfectly elastic, the velocity of the ball B just after impact would be

    • Options
    • A. zero
    • B. 5 m/sec
    • C. 10 m/sec
    • D. none of these.
    • Discuss
    • 5. The units of moment of inertia of an area, are

    • Options
    • A. kg/m
    • B. kg/m2
    • C. m4
    • D. m3
    • E. kg-m2.
    • Discuss
    • 6. One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is

    • Options
    • A. 17.5 kg
    • B. 19.5 kg
    • C. 22.5 kg
    • D. 25 kg.
    • Discuss
    • 7. For a body moving with simple harmonic motion, the number of cycles per second, is known as its

    • Options
    • A. oscillation
    • B. amplitude
    • C. periodic time
    • D. beat
    • E. frequency.
    • Discuss
    • 8. If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

    • Options
    • A. 57°
    • B. 58°
    • C. 59°
    • D. 60°.
    • Discuss
    • 9. To avoid bending action at the base of a pier,

    • Options
    • A. suspension and anchor cables are kept at the same level
    • B. suspension and anchor cables are fixed to pier top
    • C. suspension cable and anchor cables are attached to a saddle mounted on rollers on top of the pier
    • D. none the these.
    • Discuss
    • 10. The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss


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