Home / Mechanical Engineering / Engineering Mechanics :: Section 1

Mechanical Engineering :: Engineering Mechanics

  1. Work done is said to be zero, when

  2. A.

    some force acts on a body, but displacement is zero

    B.

    no force acts on a body but some displacement takes place

    C.

    either (a) or (b)

    D.

    none of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.

  4. A.

    Agree

    B.

    Disagree

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. One watt is equal to

  6. A.

    0.1 joule/s

    B.

    1 joule/s

    C.

    10 joules/s

    D.

    100 joules/s

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

  8. A.

    15 N and 5 N

    B.

    20 N and 5 N

    C.

    15 N and 15 N

    D.

    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is __________ the momentum of body having mass m2.

  10. A.

    equal to

    B.

    less than

    C.

    greater than

    View Answer

    Workspace

    Discuss Discuss in Forum