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

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

Perpendicular to the wall at its upper end

Downward at its upper end

Zero at its upper end

Upward at its upper end

Perpendicular to the wall at its upper end

Downward at its upper end

Zero at its upper end

Upward at its upper end

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Engineering Mechanics
One joule is equal to

10 N-m

1 N-m

100 N-m

0.1 N-m

10 N-m

1 N-m

100 N-m

0.1 N-m

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Engineering Mechanics
Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

Twice the area of the triangle

None of these

Half the area of the triangle

Area of the triangle

Twice the area of the triangle

None of these

Half the area of the triangle

Area of the triangle

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Engineering Mechanics
The force, by which the body is attracted, towards the center of the earth, is called

Momentum

Mass

Impulsive force

Weight

Momentum

Mass

Impulsive force

Weight

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Engineering Mechanics
The moment of a force

All of these

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

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

All of these

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

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

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

[√(4p² - q²)]/6

(p² + q²)/4

(4p² - q²)/6

(p² - q²)/4

[√(4p² - q²)]/6

(p² + q²)/4

(4p² - q²)/6

(p² - q²)/4

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Engineering Mechanics

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

Engineering Mechanics One joule is equal to

Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

Engineering Mechanics The force, by which the body is attracted, towards the center of the earth, is called

Engineering Mechanics The moment of a force

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

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

Engineering Mechanics
One joule is equal to

Engineering Mechanics
Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

Engineering Mechanics
The force, by which the body is attracted, towards the center of the earth, is called

Engineering Mechanics
The moment of a force

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