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Mechanical Engineering :: Engineering Mechanics

  1. The centre of gravity of a right angled triangle lies at its geometrical centre.

  2. A.

    Correct

    B.

    Incorrect


  3. Vectors method for the resultant force is also called polygon law of forces.

  4. A.

    Correct

    B.

    Incorrect


  5. Two equal and opposite parallel forces whose lines of action are different form a couple.

  6. A.

    Correct

    B.

    Incorrect


  7. When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

  8. A.

    inward

    B.

    outward


  9. A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. The centre of gravity of the section will lie

  10. A.

    in the shaded area

    B.

    in the hole

    C.

    at O