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

1.25 m/sec²

0.75 m/sec²

0.5 m/sec²

1.00 m/sec²

1.25 m/sec²

0.75 m/sec²

0.5 m/sec²

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Applied Mechanics and Graphic Statics
The necessary condition of equilibrium of a body is:

Algebraic sum of the moments of the forces about a point must be zero

Algebraic sum of vertical components of all the forces must be zero

Algebraic sum of horizontal components of all the forces must be zero

All (A), (B) and (C)

Algebraic sum of the moments of the forces about a point must be zero

Algebraic sum of vertical components of all the forces must be zero

Algebraic sum of horizontal components of all the forces must be zero

All (A), (B) and (C)

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Applied Mechanics and Graphic Statics
Force polygon method is applicable for

A system of parallel forces only

Concurrent coplanar force system

Non-concurrent coplanar force system

Any coplanar force system

A system of parallel forces only

Concurrent coplanar force system

Non-concurrent coplanar force system

Any coplanar force system

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Applied Mechanics and Graphic Statics
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are

1436.2 kN and 1250 kN

1346.3 kN and 1250 kN

1346.3 kN and 1500 kN

1436.2 kN and 1500 kN

1436.2 kN and 1250 kN

1346.3 kN and 1250 kN

1346.3 kN and 1500 kN

1436.2 kN and 1500 kN

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Applied Mechanics and Graphic Statics
If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The correct answer is

only (i)

both (i) and (iii)

only (ii)

both (i) and (ii)

only (i)

both (i) and (iii)

only (ii)

both (i) and (ii)

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Applied Mechanics and Graphic Statics
The angle of projection at which the horizontal range and maximum height of a projectile are equal to

56°

76°

45°

36°

56°

76°

45°

36°

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is:

Applied Mechanics and Graphic Statics Force polygon method is applicable for

Applied Mechanics and Graphic Statics A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are

Applied Mechanics and Graphic Statics The angle of projection at which the horizontal range and maximum height of a projectile are equal to

Applied Mechanics and Graphic Statics
The necessary condition of equilibrium of a body is:

Applied Mechanics and Graphic Statics
Force polygon method is applicable for

Applied Mechanics and Graphic Statics
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are

Applied Mechanics and Graphic Statics
The angle of projection at which the horizontal range and maximum height of a projectile are equal to