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  • Question

  • Joule is the unit of


  • Options
  • A. work
  • B. force
  • C. power
  • D. torque
  • E. none of these.

  • Correct Answer
  • work 

    • Applied Mechanics problems

    Search Results

    • 1. The C.G. of a right circular cone lies on its axis of symmetry at a height of

    • Options
    • A. h/2
    • B. h/3
    • C. h/4
    • D. h/5
    • E. h/6.
      • Discuss
    • 2. Pick up the correct statement from the following :

    • Options
    • A. Nature plays an important role in the launch of a satellite
    • B. The earth's gravity reduces the speed of a satellite by 32 km per second
    • C. The gravitational force relents as the satellite climbs higher
    • D. The gravitational intensity declines with height
    • E. All the above.
      • Discuss
    • 3. Maximum efficiency of a screw jack for the angle of friction ?, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

    • Options
    • A. 500 metres
    • B. 1000 metres
    • C. 1500 metres
    • D. 2000 metres
    • E. 25000 metres.
      • Discuss
    • 5. The product of mass and velocity of a moving a body, is called

    • Options
    • A. moment
    • B. momentum
    • C. power
    • D. impulse.
      • Discuss
    • 6. The c.g. of the shaded area of the below figure whose curve OM is a parabola from y-axis, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 7. When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

    • Options
    • A. imaginary work
    • B. negative work
    • C. virtual work
    • D. none of these.
      • Discuss
    • 8. The equation of motion of a particle starting from rest along a straight line is x = t3 - 3t2 + 5. The ratio of the accelerations after 5 sec and 3 sec will be

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
      • Discuss
    • 9. If the gravitational accelerational at any place is doubled, the weight of a body, will

    • Options
    • A. be reduced to half
    • B. be doubled
    • C. not be affected
    • D. none of these.
      • Discuss
    • 10. The locus of the instantaneous centre of a moving rigid body, is

    • Options
    • A. straight line
    • B. involute
    • C. centroid
    • D. spiral.
      • Discuss

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