A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

Engineering Mechanics
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

Away from the wall at its upper end

Upward at its upper end

Downward at its upper end

Towards the wall at its upper end

Away from the wall at its upper end

Upward at its upper end

Downward at its upper end

Towards the wall at its upper end

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Engineering Mechanics
The moment of a force

Is the turning effect produced by a force, on the body, on which it acts

All of these

Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force

Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken

Is the turning effect produced by a force, on the body, on which it acts

All of these

Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force

Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken

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Engineering Mechanics
A smooth cylinder lying on a __________ is in neutral equilibrium.

Curved surface

Horizontal surface

Convex surface

None of these

Curved surface

Horizontal surface

Convex surface

None of these

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Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

(p² + q²)/4

[√(4p² - q²)]/6

(p² - q²)/4

(4p² - q²)/6

(p² + q²)/4

[√(4p² - q²)]/6

(p² - q²)/4

(4p² - q²)/6

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Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Less than

Equal to

None of these

Greater than

Less than

Equal to

None of these

Greater than

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Engineering Mechanics
The unit of force in S.I. system of units is

Newton

Watt

Kilogram

Dyne

Newton

Watt

Kilogram

Dyne

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Engineering Mechanics

Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

Engineering Mechanics The moment of a force

Engineering Mechanics A smooth cylinder lying on a __________ is in neutral equilibrium.

Engineering Mechanics The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Engineering Mechanics The unit of force in S.I. system of units is

Engineering Mechanics
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

Engineering Mechanics
The moment of a force

Engineering Mechanics
A smooth cylinder lying on a __________ is in neutral equilibrium.

Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

Engineering Mechanics
The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Engineering Mechanics
The unit of force in S.I. system of units is