ENGINEERING MECHANICS QUIZ

Perpendicular to the wall at its upper end

Downward at its upper end

Upward at its upper end

Zero at its upper end

Less than

Greater than

None of these

Equal to

Newton's second law of motion

Newton's third law of motion

Newton's first law of motion

None of these

Upwards at its upper end

Zero at its upper end

Perpendicular to the wall at its upper end

Downwards at its upper end

[m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)²

[m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²)

[2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)²

[2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²)

Less than

Equal and opposite to

Equal to

Greater than

(p² + q²)/4

(4p² - q²)/6

[√(4p² - q²)]/6

(p² - q²)/4

Momentum

Acceleration

Velocity

None of these

√[(∑V)2 + (∑H)2]

(∑V)2 +(∑H)2 +2(∑V)(∑H)

√[(∑V)2 +(∑H)2 +2(∑V)(∑H)]

(∑V)2 + (∑H)2

All of these

Balance the forces, already acting on it

Change its motion

Give rise to the internal stresses in it