Force polygon method is applicable for

Applied Mechanics and Graphic Statics
Force polygon method is applicable for

A system of parallel forces only

Any coplanar force system

Non-concurrent coplanar force system

Concurrent coplanar force system

A system of parallel forces only

Any coplanar force system

Non-concurrent coplanar force system

Concurrent coplanar force system

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Applied Mechanics and Graphic Statics
From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through

0.25 cm

0.75 cm

1.00 cm

0.50 cm

0.25 cm

0.75 cm

1.00 cm

0.50 cm

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Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

102.5 kg

108.5 kg

105.5 kg

110 kg

102.5 kg

108.5 kg

105.5 kg

110 kg

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Applied Mechanics and Graphic Statics
The member forces in a statically in determinate truss

Cannot be obtained by graphic statics

Can be obtained by graphic statics by trial and error

May be obtained by graphic statics

Can be obtained by graphic statics

Cannot be obtained by graphic statics

Can be obtained by graphic statics by trial and error

May be obtained by graphic statics

Can be obtained by graphic statics

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Applied Mechanics and Graphic Statics
The following statement is one of the laws of Dynamic friction

The magnitude of the kinetic friction bears a constant ratio to the normal reaction between two surfaces. The ratio being slightly less than that in the case of limiting friction

The force of friction always acts in a direction opposite to that in which a body is moving

For moderate speeds the force of friction remains constant but decreases slightly with the increase of speed

All of these

The magnitude of the kinetic friction bears a constant ratio to the normal reaction between two surfaces. The ratio being slightly less than that in the case of limiting friction

The force of friction always acts in a direction opposite to that in which a body is moving

For moderate speeds the force of friction remains constant but decreases slightly with the increase of speed

All of these

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Applied Mechanics and Graphic Statics
A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

60 kg

100 kg

40 kg

10 kg

60 kg

100 kg

40 kg

10 kg

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics Force polygon method is applicable for

Applied Mechanics and Graphic Statics From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through

Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

Applied Mechanics and Graphic Statics The member forces in a statically in determinate truss

Applied Mechanics and Graphic Statics The following statement is one of the laws of Dynamic friction

Applied Mechanics and Graphic Statics A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

Applied Mechanics and Graphic Statics
Force polygon method is applicable for

Applied Mechanics and Graphic Statics
From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through

Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

Applied Mechanics and Graphic Statics
The member forces in a statically in determinate truss

Applied Mechanics and Graphic Statics
The following statement is one of the laws of Dynamic friction

Applied Mechanics and Graphic Statics
A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is