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

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

1.00 m/sec²

0.5 m/sec²

1.25 m/sec²

0.75 m/sec²

1.00 m/sec²

0.5 m/sec²

1.25 m/sec²

0.75 m/sec²

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Applied Mechanics and Graphic Statics
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

50 m/sec

40 m/sec

30 m/sec

20 m/sec

50 m/sec

40 m/sec

30 m/sec

20 m/sec

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Applied Mechanics and Graphic Statics
The angles between two forces to make their resultant a minimum and a maximum respectively are

90° and 180°

180° and 0°

180° and 90°

0° and 90°

90° and 180°

180° and 0°

180° and 90°

0° and 90°

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Applied Mechanics and Graphic Statics
A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

70 m/sec

80 m/sec

75 m/sec

90 m/sec

70 m/sec

80 m/sec

75 m/sec

90 m/sec

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Applied Mechanics and Graphic Statics
A point subjected to a number of forces will be in equilibrium, if

Two resolved parts in any two directions at right angles are equal

Algebraic sum of the moments of the forces about the point is zero

Algebraic sum of the forces is zero

Sum of resolved parts in any two directions at right angles, are both zero

Two resolved parts in any two directions at right angles are equal

Algebraic sum of the moments of the forces about the point is zero

Algebraic sum of the forces is zero

Sum of resolved parts in any two directions at right angles, are both zero

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Applied Mechanics and Graphic Statics
If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is

wl/8y

wl/4y

wl

wl/2y

wl/8y

wl/4y

wl

wl/2y

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are

Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if

Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is

Applied Mechanics and Graphic Statics
The angles between two forces to make their resultant a minimum and a maximum respectively are

Applied Mechanics and Graphic Statics
A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

Applied Mechanics and Graphic Statics
A point subjected to a number of forces will be in equilibrium, if

Applied Mechanics and Graphic Statics
If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is