D Alembert’s principle is used for

Strength of Materials
D Alembert’s principle is used for

determining stresses in the truss

reducing the problem of kinetics to equivalent statics problem

stability of floating bodies

designing safe structures

determining stresses in the truss

reducing the problem of kinetics to equivalent statics problem

stability of floating bodies

designing safe structures

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Strength of Materials
The center of gravity of a triangle lies at the point of

Concurrence of the medians

Intersection of diagonals

Intersection of bisector of angles

Intersection of its altitudes

Concurrence of the medians

Intersection of diagonals

Intersection of bisector of angles

Intersection of its altitudes

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Strength of Materials
The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

r/2

r/A

3r/2

2r/3

r/2

r/A

3r/2

2r/3

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Strength of Materials
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of

0.134 r

r/%

r/A

r/2

0.134 r

r/%

r/A

r/2

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Strength of Materials
According to Lami's theorem

If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Three forces acting at a point will be in equilibrium

If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium

Three forces acting at a point can be represented by a triangle, each side being proportional to force

If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Three forces acting at a point will be in equilibrium

If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium

Three forces acting at a point can be represented by a triangle, each side being proportional to force

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Strength of Materials
A single force and a couple acting in the same plane upon a rigid body

balance each other

produce moment of a couple

are equivalent

cannot balance each other

balance each other

produce moment of a couple

are equivalent

cannot balance each other

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Strength of Materials

Strength of Materials D Alembert’s principle is used for

Strength of Materials The center of gravity of a triangle lies at the point of

Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

Strength of Materials A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of

Strength of Materials According to Lami's theorem

Strength of Materials A single force and a couple acting in the same plane upon a rigid body

Strength of Materials
D Alembert’s principle is used for

Strength of Materials
The center of gravity of a triangle lies at the point of

Strength of Materials
The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

Strength of Materials
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of

Strength of Materials
According to Lami's theorem

Strength of Materials
A single force and a couple acting in the same plane upon a rigid body