ENGINEERING MECHANICS QUIZ

7mr²/5

7mr²/3

2mr²/3

2mr²/5

Do not meet at one point, but their lines of action lie on the same plane

Do not meet at one point and their lines of action do not lie on the same plane

Meet at one point and their lines of action also lie on the same plane

Meet at one point, but their lines of action do not lie on the same plane

Perpendicular to the wall at its upper end

Upward at its upper end

Zero at its upper end

Downward at its upper end

Coplanar non-concurrent forces

Non-coplanar concurrent forces

None of these

Coplanar concurrent forces

(u₁ - u₂)/(v₁ - v₂)

(v₂ - v₁)/(u₁ - u₂)

(v₁ - v₂)/(u₁ - u₂)

(u₂ + u₁)/(v₂ + v₁)

P/m.a = 0

P - m.a = 0

P × m.a = 0

P + m.a = 0

1

Between 60 and 70 %

Between 80 and 90%

Between 70 and 80%

1.5 cm

1.0 cm

0.5 cm

2.5 cm

g/2

√2.g

2g

g

Meet at one point

Meet on the same plane

None of these

Lie on the same line