ENGINEERING MECHANICS QUIZ

g. cos² β/2u². sin (α + β). cos α

2u². sin (α - β). cos α/g. cos² β

g. cos² β/2u². sin (α - β). cos α

2u². sin (α + β). cos α/g. cos² β

Minimum

Zero

None of these

Maximum

The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts

None of these

To every action, there is always an equal and opposite reaction

Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force

2π. √(l/g)

(1/2π). √(g/l)

None of these

(1/2π). √(l/g)

Heat energy

Kinetic energy

Electrical energy

Strain energy

Between zero and one

More than one

Zero

One

Elastic

None of these

Inelastic

Solid

All of these

Rotate about itself without moving

Be completely at rest

Move in any one direction rotating about itself

None of these

Less than

Greater than

Equal to

Greater than 50%

Less than 50%

1

Equal to 50%