ENGINEERING MECHANICS QUIZ

Between 60 and 70 %

1

Between 70 and 80%

Between 80 and 90%

L/2

3L/4

L/3

2L/3

No force acts on a body but some displacement takes place

Either (A) or (B)

None of these

Some force acts on a body, but displacement is zero

P = W tan (φ - α)

P = W tan (α + φ)

P = W cos (α + φ)

P = W tan (α - φ)

(2/3) Ml²

(1/3) Ml²

(3/4) Ml²

(1/12) Ml²

0.5 mv2

0.5 mgv2

mv2

mgv2

None of these

Less than

Equal to

Greater than

Quadrupled

None of these

Doubled

Halved

All of these

Algebraic sum of moments of all the forces about any point should be zero

Algebraic sum of the vertical components of all the forces should be zero

Algebraic sum of the horizontal components of all the forces should be zero

Zero at its upper end

Downwards at its upper end

Perpendicular to the wall at its upper end

Upwards at its upper end