On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

Applied Mechanics and Graphic Statics
On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

Upwards at its upper end

Downwards at its upper end

Perpendicular to the wall at its upper end

Zero at its upper end

Upwards at its upper end

Downwards at its upper end

Perpendicular to the wall at its upper end

Zero at its upper end

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Applied Mechanics and Graphic Statics
A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

20 sec

10 sec

5 sec

8 sec

20 sec

10 sec

5 sec

8 sec

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Applied Mechanics and Graphic Statics
The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are

2

Infinity

Zero

1

2

Infinity

Zero

1

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Applied Mechanics and Graphic Statics
If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

T = g(M2 + M1)/(M2 - M1)

T = g(M1 - M2)/(M1 + M2)

T = g(M2 - M1)/(M1 + M2)

T = g(M1 + M2)/(M1 × M2)

T = g(M2 + M1)/(M2 - M1)

T = g(M1 - M2)/(M1 + M2)

T = g(M2 - M1)/(M1 + M2)

T = g(M1 + M2)/(M1 × M2)

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Applied Mechanics and Graphic Statics
A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

200 tonnes at the centre

500 tonnes at the centre

200 tonnes at the right support

200 tonnes at the left support

200 tonnes at the centre

500 tonnes at the centre

200 tonnes at the right support

200 tonnes at the left support

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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

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

All of these

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

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

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

All of these

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

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

Applied Mechanics and Graphic Statics The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are

Applied Mechanics and Graphic Statics If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

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

Applied Mechanics and Graphic Statics
On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

Applied Mechanics and Graphic Statics
A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

Applied Mechanics and Graphic Statics
The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are

Applied Mechanics and Graphic Statics
If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

Applied Mechanics and Graphic Statics
A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

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