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  • Question
  • When a body of mass m attains a velocity v from rest in time t, then the kinetic energy of translation is


  • Options
  • A. mv2
  • B. mgv2
  • C. 0.5 mv2
  • D. 0.5 mgv2

  • Correct Answer
  • 0.5 mv2 


  • Engineering Mechanics problems


    Search Results


    • 1. Joule is the unit of

    • Options
    • A. force
    • B. work
    • C. power
    • D. velocity
    • Discuss
    • 2. A screw jack used for lifting the loads is

    • Options
    • A. a reversible machine
    • B. a non-reversible machine
    • C. an ideal machine
    • D. none of these
    • Discuss
    • 3. The length of a second's pendulum is

    • Options
    • A. 94.9cm
    • B. 99.4cm
    • C. 100cm
    • D. 101cm
    • Discuss
    • 4. The negative acceleration is called retardation.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The unit of force in S.I. system of units is

    • Options
    • A. dyne
    • B. kilogram
    • C. newton
    • D. watt
    • Discuss
    • 6. A number of forces acting at a point will be in equilibrium, if

    • Options
    • A. all the forces are equally inclined
    • B. sum of all the forces is zero
    • C. sumof resolved parts in the vertical direction is zero (i.e. ?V = 0)
    • D. none of these
    • Discuss
    • 7. The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplaner concurrent forces.

    • Options
    • A. lie
    • B. do not lie
    • Discuss
    • 8. The forces, whose lines of action are parallel to each other and act in the same directions, are known as

    • Options
    • A. coplaner concurrent forces
    • B. coplaner non-concurrent forces
    • C. like parallel forces
    • D. unlike parallel forces
    • Discuss
    • 9. The moment of inertia of a solid cone of mass m and base radius r about its vertical axis is

    • Options
    • A. 3mr2/5
    • B. 3mr2/10
    • C. 2mr2/5
    • D. 4mr2/5
    • Discuss
    • 10. The force induced in the string AB due to the load W, as shown in the below figure is

    • Options
    • A. W sin ?
    • B. W cos ?
    • C. W sec ?
    • D. W cosec ?
    • Discuss


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