A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is:

Applied Mechanics and Graphic Statics
A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is:

100 g

60 g

80 g

40 g

100 g

60 g

80 g

40 g

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Applied Mechanics and Graphic Statics
The following is in unstable equilibrium

A solid cube resting on one edge

A uniform solid cone resting on a generator on a smooth horizontal plane

A satellite encircling the earth

A uniform solid cone resting on its base on a horizontal plane

A solid cube resting on one edge

A uniform solid cone resting on a generator on a smooth horizontal plane

A satellite encircling the earth

A uniform solid cone resting on its base on a horizontal plane

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Applied Mechanics and Graphic Statics
A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is

30 sec

20 sec

40 sec

15 sec

30 sec

20 sec

40 sec

15 sec

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Applied Mechanics and Graphic Statics
The dimensions of power are.

M’L’r2

M’L2T2

M’L-‘T*

M’L’T3

M’L’r2

M’L2T2

M’L-‘T*

M’L’T3

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Applied Mechanics and Graphic Statics
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is

0.75 m/sec²

0.5 m/sec²

1.25 m/sec²

1.00 m/sec²

0.75 m/sec²

0.5 m/sec²

1.25 m/sec²

1.00 m/sec²

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Applied Mechanics and Graphic Statics
The tension in a cable supporting a lift

Is less when the lift is moving downwards

Remains constant whether its moves downwards or upwards

Is more when the lift is moving downwards

Is less when the lift is moving upwards

Is less when the lift is moving downwards

Remains constant whether its moves downwards or upwards

Is more when the lift is moving downwards

Is less when the lift is moving upwards

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The following is in unstable equilibrium

Applied Mechanics and Graphic Statics A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is

Applied Mechanics and Graphic Statics The dimensions of power are.

Applied Mechanics and Graphic Statics The tension in a cable supporting a lift

Applied Mechanics and Graphic Statics
The following is in unstable equilibrium

Applied Mechanics and Graphic Statics
A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is

Applied Mechanics and Graphic Statics
The dimensions of power are.

Applied Mechanics and Graphic Statics
The tension in a cable supporting a lift