Applied Mechanics and Graphic Statics

A system of copianar forces acting on a rigid body can be reduced to________________?

Byadmin January 18, 2019June 4, 2021

A system of copianar forces acting on a rigid body can be reduced to________________?

A. one force only
B. one couple only
C. one force and one couple only(Correct)
D. none of the above

Applied Mechanics and Graphic Statics

For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?

For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?

A. 30°
B. 45°(Correct)
C. 90°
D. 0°

Read More For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?
Applied Mechanics and Graphic Statics

Which of the following represents the state of neutral equilibrium ?

Which of the following represents the state of neutral equilibrium ?

A. a cube resting on one edge
B. a smooth cylinder lying on a curved surface
C. a smooth cylinder lying on a convex surface
D. none of the above

Read More Which of the following represents the state of neutral equilibrium ?
Applied Mechanics and Graphic Statics

Impulse can be obtained from a_________________?

Impulse can be obtained from a_________________?

A. force-displacement diagram
B. force-time diagram
C. velocity-time diagram
D. velocity-displacement diagram

Read More Impulse can be obtained from a_________________?
Applied Mechanics and Graphic Statics

The angle of projection at which the horizontal range and maximum height of a projectile are equal to_____________________?

The angle of projection at which the horizontal range and maximum height of a projectile are equal to_____________________?

A. 36°
B. 45°
C. 56°
D. 76✔

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

A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?

A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?

A. 1/4
B. 1/3
C. 3
D. 4

Read More A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?
Applied Mechanics and Graphic Statics

A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?

A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?

A. 50 J
B. 150 J
C. 200 J
D. 400 J

Read More A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?

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