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

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

Newton

Dyne

Watt

Kilogram

Newton

Dyne

Watt

Kilogram

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Engineering Mechanics
The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)

[2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)²

[2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²)

[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)

[m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)²

[m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²)

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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

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

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

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

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

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Engineering Mechanics
Angle of friction is the

Ratio of limiting friction and normal reaction

The ratio of minimum friction force to the friction force acting when the body is just about to move

Angle between normal reaction and the resultant of normal reaction and the limiting friction

The ratio of minimum friction force to friction force acting when the body is in motion

Ratio of limiting friction and normal reaction

The ratio of minimum friction force to the friction force acting when the body is just about to move

Angle between normal reaction and the resultant of normal reaction and the limiting friction

The ratio of minimum friction force to friction force acting when the body is in motion

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Engineering Mechanics
If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.

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 mechanical advantage of a lifting machine is the ratio of

All of these

Distance moved by effort to the distance moved by load

Output to the input

Load lifted to the effort applied

All of these

Distance moved by effort to the distance moved by load

Output to the input

Load lifted to the effort applied

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Engineering Mechanics

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

Engineering Mechanics The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)

Engineering Mechanics The moment of a force

Engineering Mechanics Angle of friction is the

Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.

Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of

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

Engineering Mechanics
The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)

Engineering Mechanics
The moment of a force

Engineering Mechanics
Angle of friction is the

Engineering Mechanics
If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.

Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of