Engineering Machine - Engineering Machine objective questions and answers

11. When a body falls freey under gravitational force, it possesses.......

   A.maximum, weight

   B.minimum weight

   C.no weight

   D.no effect on its weight

   E.a weight depending upon the velocity

12. The value of acceleration due to gravity at poles as compared to at equator is.......

   A.greater

   B.lesser

   C.same

   D.may be lesser or greater depending upon latitude

   E.unpredictable

13. Rate of change of momentum takes place in the direction.........

   A.of motion

   B.of applied force

   C.opposite to the direction of applied force

   D.perpendicular to the direction of motion

   E.of an angle to applied fgorce and inertia force

14. Rate of change of momentum is proportional to the......

   A.displacement

   B.velocity

   C.acceleration

   D.impressed force

   E.intial momentum

15. A ball is thrown up. The sum of kinetic and potential energies will be maximum at.......

   A.ground

   B.highest point

   C.in the centre while going up

   D.at all the points

   E.in the centre while coming down

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