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  • The SI unit of work is ______.

    kg
    Joule
    Pascal
    Dyne
  • The relationship between work, force and distance is _______.

    Work = force / distance
    Work = force - distance
    Work = force + distance
    Work = force x distance
  • Force is a _______.

    >quantity
    vector quantity
    scalar 
    fundamental 
  • Though a man is standing with a heavy load on his head but the work done is zero because ______.

    all the answers are correct
    force acting is downward on the body
    he does not move any distance
    the force is not enough to produce any work
  • Whenever any work is done, it is done against ________.

    gravity
    none
    friction
    both friction and gravity
  • The capacity of a body to do the work is called _______.

    work
    power
    energy
    all of the above
  • A rock climber weighs 550 N and is carrying a backpack that weighs 50 N. How much total work has been done after she climbs 12 m?

    600 J
    6000 J
    50 J
    7200 J
  • If there is no motion produced in the body, then the work done is _______.

    pressure on the body
    force applied
    1
    zero
  • A body of mass 10 kg is dropped to the ground from a height of 10 metres. The work done by the gravitational force is (g = 9.8).

    -490
    -980
     +490
    +980
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